Class Definition for Class 16 - MISCELLANEOUS HARDWARE (E.G., BUSHING, CARPET FASTENER, CASTER, DOOR CLOSER, PANEL HANGER, ATTACHABLE OR ADJUNCT HANDLE, HINGE, WINDOW SASH BALANCE, ETC.)

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CLASS 16,	MISCELLANEOUS HARDWARE (E.G., BUSHING, CARPET FASTENER, CASTER, DOOR CLOSER, PANEL HANGER, ATTACHABLE OR ADJUNCT HANDLE, HINGE, WINDOW SASH BALANCE, ETC.)
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SECTION I - CLASS DEFINITION

This class includes specific articles of hardware not otherwise classified. It comprises such articles as carpet-fasteners, door-hangers, sash-cord fasteners, sash-weights, hinges, door checks and closures, sash-balances, furniture-casters, etc.

Hardware articles such as nails, screws, staples, bolts, and rivets are classified as in References to Other Classes, below.

SECTION II - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

7,	Compound Tools, appropriate subclasses for compound tools.
59,	Chain, Staple, and Horseshoe Making, subclasses 78+ for chains.
70,	Locks, appropriate subclasses for locks.
81,	Tools, appropriate subclasses for tools.
292,	Closure Fasteners, appropriate subclasses for bolt elements and latching devices not combined with lock structure and door checks of the door-bracing type.
301,	Land Vehicles: Wheels and Axles, subclass 5.301 for skate wheels.
384,	Bearings, appropriate subclasses for plain and anti-friction bearings, per se.
411,	Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener, appropriate subclasses for fastening elements of the kinds provided for therein.

SECTION III - GLOSSARY

HINGE AXIS

Any axis about which a hinged member* rotates during operation of the hinge.

HINGED MEMBER

Any device or portion thereof (e.g., closure, seat back, etc.) which is adapted to be swingably connected by a hinge to another device or portion thereof (e.g., frame, box, sill, etc.).

HINGE PIN

An elongated rodlike element about which a hinged member* swings (e.g., "pintle").

LEAF

A rod or platelike portion by which the hinge is adapted to be secured to a hinged member*.

SUBCLASSES

[List of Patents for class 16 subclass 2.1]

2.1

BUSHING:

This subclass is indented under the class definition. Device comprising an annular sleeve to line an opening which extends through the interior of a structure to (a) prevent the abrasion of any elements passing through the opening or the structure itself or (b) fortify the opening.

(1) Note. The device of this subclass may have any of a variety of means for fastening it to the wall of the opening such as a weld or a compression ring. The opening may be the end of a pipe or other conduit.

(2) Note. In a claim proper for this subclass as much of the device having the opening (e.g., pipe) may be included as is necessary to define the bushing.

(3) Note. A grommet is considered appropriate for this subclass since it includes structure that extends through an opening having a substantially planar exterior surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

2.2,	for a bushing with a sealing means.
2.3,	for a bung or tap bushing.

SEE OR SEARCH CLASS:

12,	Boot and Shoe Making, for a bushing used during the manufacture of shoes.
24,	Buckles, Buttons, Clasps, etc., for subject matter claiming interfitting fasteners, where one is embedded in the structure and intending to receive the other.
174,	Electricity: Conductors and Insulators, especially subclass 83 , for a bushing limited by structure for use with an electric conduits or cables, subclass 136 for anti-abrasion devices, subclasses 152+ for wall mounted insulators of the bushing type, and subclasses 153+, 154+, and 167 for other bushing insulators.
217,	Wooden Receptacles, subclasses 98+ for a bung and particularly subclass 113 for a bushing combined with a bung.
226,	Advancing Material of Indeterminate Length, may include a nominal recitation of a supply or take-up coil (e.g., less than a support for such a coil or a cooperative relationship between a tension or exhaust detector and reel driving or reel stopping means, etc.), subclass 196.1 for a passive guide combined with a material feeder.
242,	Winding, Tensioning, or Guiding, subclasses 615+ for a residual guide or guard that directs elongated flexible material or one combined with more than nominal winding structure.
250,	Radiant Energy, subclasses 466.1+ for self luminous sources or attachments therefor and subclasses 483.1+ for fluorescent and phosphorescent plates and escutcheons.
285,	Pipe Joints or Couplings, subclasses 130 and 213 for a bushing or lining for an opening intended to receive a pipe.
384,	Bearings, subclasses 276+ for a sleeve or liner intended to serve as a bearing.
408,	Cutting by use of Rotating Axially Moving Tool, subclass 241 for a bushing used to guide a drill bit.
439,	Electrical Connectors, especially subclasses 207+ for an electrical connector combined with a conduit which may include a bushing.

[List of Patents for class 16 subclass 2.2]

2.2

Providing a restricted or insulated environment (i.e., sealable) for internal elements:

This subclass is indented under subclass 2.1. Bushing particularly adapted to prevent the flow of heat or material from one side of the structure to the other.

(1) Note. Included herein are firebreak devices, which prevents smoke and flames from traveling through a wall along the axis of a conduit, and means to insulate electrical conduits.

[List of Patents for class 16 subclass 2.3]

2.3

Bung or tap:

This subclass is indented under subclass 2.1. Bushing for use in an opening in the wall of a liquid storage container (e.g., a barrel or keg) adapted to receive a plug or valve means to facilitate flow of the liquid into or out of the container.

SEE OR SEARCH CLASS:

137,	Fluid Handling, subclasses 320+ , for a valved closure i.e., a tap for a pipe or keg.
217,	Wooden Receptacles, subclasses 98+ for a bung and particularly subclass 113 for the combination of a bung with a bushing.
220,	Receptacles, appropriate subclasses, for a receptacle combined with a tap means.

2.4	Threaded:
	This subclass is indented under subclass 2.3. Subject matter including a helical cooperating portion in the interior adapted to threadingly engage a cooperating helical portion on the exterior of the bung or tap to secure the bushing in place.

2.5	Providing strain relief:
	This subclass is indented under subclass 2.1. Subject matter claiming means to relieve externally exerted loads on elements passing through the annular member.

[List of Patents for class 16 subclass 4]

CARPET FASTENERS:

This subclass is indented under the class definition. Devices comprising fastening devices for securing carpets rugs, and floor-coverings in extended position upon floors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

17.1,

for a rug antislip or stiffener attachment, per se, in combination with a rug, where no more of the rug structure is recited than is necessary to support the attachment.

SEE OR SEARCH CLASS:

24,	Buckles, Buttons, Clasps, etc., subclass 311 for combined fasteners of the buckle, button or clasp type; subclasses 706+ for pin fasteners; subclass 572 for separable fasteners and subclass 455 for clasps.
411,	Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener, appropriate subclasses for fasteners in which the floor penetrating member is an integral part of the fastener.

5	Combined fasteners and stretchers:
	This subclass is indented under subclass 4. Devices for stretching and holding carpets and rugs in stretched position upon floors.

6	Hook:
	This subclass is indented under subclass 4. Devices comprising hook devices.

7	Moldings:
	This subclass is indented under subclass 4. Devices including floor-moldings.

8	Rug:
	This subclass is indented under subclass 4. Devices for securing rugs in extended position upon carpets or floor-coverings.

[List of Patents for class 16 subclass 9]

Sliding:

This subclass is indented under subclass 4. Devices of the sliding type.

SEE OR SEARCH CLASS:

411,	Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener, subclasses 439+ for impact driven fasteners.

10	Stair:
	This subclass is indented under subclass 4. Devices for securing stair-carpets in extended position upon stairs.

11	Risers:
	This subclass is indented under subclass 10. Devices for securing stair-carpets in extended position upon or adjacent to stair-risers.

12	Rods:
	This subclass is indented under subclass 10. Devices of the rod type.

13	Catches:
	This subclass is indented under subclass 12. Devices having catch devices for holding the rods in adjusted position.

14	Sliding:
	This subclass is indented under subclass 13. Devices of the sliding type.

15	Swinging:
	This subclass is indented under subclass 13. Devices of the swinging type.

16	Strips:
	This subclass is indented under subclass 4. Devices comprising binding-strips.

17	Swinging:
	This subclass is indented under subclass 4. Devices of the swinging type.

[List of Patents for class 16 subclass 17.1]

17.1

CARPET STIFFENER OR ANTI-SLIP DEVICE, PER SE:

This subclass is indented under the class definition. Subject matter adapted for attachment to a fabric type floor covering, i.e., a rug, especially to maintain the rug in a flattened condition or to prevent the rug from sliding on the floor.

(1) Note. A carpet stiffener or anti-slip device combined with a carpet is not included herein; however, the device of this subclass may include the carpet structure necessary to support the device.

(2) Note. Included herein is a carpet stiffener attached to the corners of a carpet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4+,	for a carpet fastener used to secure a rug or carpet to the floor.

SEE OR SEARCH CLASS:

24,	Buckles, Buttons, Clasps, etc., especially subclass 311 for a combined diverse multi part fastener of the buckle, button or clasp type, subclasses 455+ for a clasp, subclasses 572+ for a separable fastener and subclasses 706+ for a pin fasteners.
139,	Textiles: Weaving, subclasses 391+ for a carpet, including a carpet combined with a carpet stiffener or with an anti-slip device.
411,	Expanded, Threaded, Driven, Headed, Tool Deformed, or Lock Threaded Fastener, for a fastener in which a floor penetrating member is an integral part of the fastener.

[List of Patents for class 16 subclass 18]

CASTERS:

This subclass is indented under the class definition. Casters comprising wheels, balls or sliding shoes mounted for movably supporting furniture and other like objects.

SEE OR SEARCH THIS CLASS, SUBCLASS:

97,	and see the Notes appended thereto, for wheel mounts for panel hangers or travelers.

SEE OR SEARCH CLASS:

211,	Supports: Racks, subclass 74 for condiment cruets and stands entitled casters.

[List of Patents for class 16 subclass 19]

Adjustable:

This subclass is indented under subclass 18. Casters having vertically adjustable means for the wheel or pintle.

SEE OR SEARCH CLASS:

280,	Land Vehicles, subclasses 43+ for vehicles having vertically adjustable wheels.

[List of Patents for class 16 subclass 20]

Antifrictionally swivelled:

This subclass is indented under subclass 18. Casters which are antifrictionally swiveled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

48,	for multiple wheel casters antifrictionally swiveled.

21	Ball:
	This subclass is indented under subclass 20. Casters in which the casters antifrictional swiveling means comprises balls.

22	Cylinder:
	This subclass is indented under subclass 20. Casters in which the antifrictional swiveling means comprises cylinders.

23	Pivoted:
	This subclass is indented under subclass 22. Casters in which the cylinders are pivoted.

24	Ball:
	This subclass is indented under subclass 18. Casters comprising balls.

[List of Patents for class 16 subclass 25]

Antifrictionally mounted:

This subclass is indented under subclass 24. Casters having antifrictional mounting means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46,	for caster wheels having antifrictionally mounting means.

26	Ball:
	This subclass is indented under subclass 25. Casters in which the antifrictional mounting means comprises balls.

27	Cylinder:
	This subclass is indented under subclass 25. Casters in which the antifrictional mounting means comprises cylinders.

28	Pivoted:
	This subclass is indented under subclass 24. Casters in which the balls are pivoted in the caster-frames with or without antifriction means.

29	Bracket supports:
	This subclass is indented under subclass 18. Devices comprising corner braces or brackets for mounting casters.

30	Detachable:
	This subclass is indented under subclass 18. Casters bodily separable from the article supported.

31	Frame:
	This subclass is indented under subclass 18. Casters having a wheel mount or horn of specific construction.

[List of Patents for class 16 subclass 32]

Leg elevators:

This subclass is indented under subclass 18. Devices having means for supporting the caster or leg in raised or lowered position above or upon the floor.

SEE OR SEARCH CLASS:

280,	Land Vehicles, subclasses 43.14+ for vehicles having nonwheel means for engaging the vehicle supporting surface.

33	Sliding:
	This subclass is indented under subclass 32. Devices slidably mounted for supporting the caster or leg in raised or lowered position above or upon the floor.

34	Swinging:
	This subclass is indented under subclass 32. Devices pivotally mounted for supporting the caster or leg in raised or lowered position above or upon the floor.

35	Locked:
	This subclass is indented under subclass 18. Casters having means for fastening the caster-wheels or caster-mounts against movement.

36	Lubricators:
	This subclass is indented under subclass 18. Casters having means for lubricating the pintles or wheels.

37	Pintles:
	This subclass is indented under subclass 18. Casters having pintles of specific construction.

38	Pintle retainers:
	This subclass is indented under subclass 18. Casters having specific means for retaining the pintles in their sockets or bearings.

39	Frame:
	This subclass is indented under subclass 38. Casters in which the caster-pintles are provided with pintle-retaining frames.

40	Rigid wheel supports:
	This subclass is indented under subclass 18. Casters which are nonswiveling and have rigid wheel-mounts.

41	Scrapers:
	This subclass is indented under subclass 18. Casters having scrapers for engaging the caster-wheels.

[List of Patents for class 16 subclass 42]

Sliding:

This subclass is indented under subclass 18. Casters comprising rounded sliding shoes for furniture and the like.

SEE OR SEARCH CLASS:

248,	Supports, subclass 188.9 for an attachment for a furniture leg or foot to prevent sliding, e.g., pad, antiskid device.

43	Sockets:
	This subclass is indented under subclass 18. Casters comprising sockets of specific construction.

44	Spring supported:
	This subclass is indented under subclass 18. Casters having means for resiliently supporting furniture and the like.

[List of Patents for class 16 subclass 45]

Wheels:

This subclass is indented under subclass 18. Casters having wheels of specific construction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107,	for wheels on panel hangers.

SEE OR SEARCH CLASS:

301,	Land Vehicles: Wheels and Axles, subclass 5.301 for skate wheels.
492,	Roll or Roller, for a roll, per se, not elsewhere provided for, and see the notes thereunder.

[List of Patents for class 16 subclass 46]

Antifrictionally mounted:

This subclass is indented under subclass 45. Caster-wheels having antifriction-bearings comprising balls or cylinders.

SEE OR SEARCH THIS CLASS, SUBCLASS:

98,	for panel hanger and traveler wheels which are antifrictionally mounted.

47	Multiple:
	This subclass is indented under subclass 45. Casters having a plurality of floor-engaging wheels.

[List of Patents for class 16 subclass 48]

Antifrictionally swivelled:

This subclass is indented under subclass 47. Devices having antifrictional swiveling bearings comprising balls and cylinders.

SEE OR SEARCH THIS CLASS, SUBCLASS:

20+,	for other antifrictionally swiveled casters.

[List of Patents for class 16 subclass 48.5]

48.5

THERMALLY RELEASED CHECK OR CLOSER:

This subclass is indented under the class definition. Device including means for holding a closure open or for maintaining a closing device inoperative, said means including an element disabled at a predetermined temperature, or rate of change thereof, to release the closure or closer for movement.

(1) Note. The means for holding the closure open are usually associated with a closing device, so that release of the holder permits the device to act.

SEE OR SEARCH CLASS:

49,

Movable or Removable Closures, subclasses 7+ for a thermally released check or closer combined with a closure of that class, and see the search notes thereto for the loci of other thermally released devices. This class (16) takes patents which claim only enough of the closure or its supporting frame as is necessary to mount the check or closer.

[List of Patents for class 16 subclass 49]

CHECKS AND CLOSERS:

This subclass is indented under the class definition. Devices for closing doors and the like, and checking them against slamming.

(1) Note. The closing force is usually derived from spring means associated with the device.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closures, subclass 137 for an interrelated fluid operator and closure check.

[List of Patents for class 16 subclass 50]

Hinge:

This subclass is indented under subclass 49. Devices combined with hinge structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54,	for liquid type checks combined with hinge structure.
68,	for pneumatic type checks combined with hinge structure.
221+,	for hinge structure, per se.

51	Liquid:
	This subclass is indented under subclass 49. Devices the checking devices including liquid acting as the checking means.

52	Concentric spring chamber:
	This subclass is indented under subclass 51. Devices in which the spring-chamber is within or concentric with the liquid-chamber.

[List of Patents for class 16 subclass 53]

Cam:

This subclass is indented under subclass 52. Devices having cam-operating means for the pistons.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60,	for cam-operating structure in side spring chamber checks.

54	Hinge:
	This subclass is indented under subclass 51. Devices combined with hinge structure.

55	Floor pivot:
	This subclass is indented under subclass 54. Devices the hinges having floor-pivots.

56	Multiple piston:
	This subclass is indented under subclass 51. Devices including a plurality of cylinders and pistons.

57	Oscillating cylinder:
	This subclass is indented under subclass 51. Devices including oscillating cylinders.

58	Oscillating piston:
	This subclass is indented under subclass 51. Devices including cylinders having oscillating pistons.

59	Side spring chamber:
	This subclass is indented under subclass 51. Devices in which the spring-chambers are at one side and at right angles to the checking-cylinders.

60	Cam:
	This subclass is indented under subclass 59. Devices having cam or eccentric operating means for the pistons.

[List of Patents for class 16 subclass 61]

Spring and flexible link:

This subclass is indented under subclass 51. Devices in which the closing devices include springs and flexible links.

SEE OR SEARCH THIS CLASS, SUBCLASS:

63,	for springs and flexible link checks, per se.
78,	for spring and flexible link type door closers.

[List of Patents for class 16 subclass 62]

Spring and gear:

This subclass is indented under subclass 51. Devices in which the closing devices include springs and gear elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

64,	for spring and gear checks, per se.
69,	for pneumatic checks including spring and gear elements.
79,	for spring and gear type door closers.

63	Spring and flexible link:
	This subclass is indented under subclass 49. Devices in which the closing devices include springs and flexible links.

[List of Patents for class 16 subclass 64]

Spring and gear:

This subclass is indented under subclass 49. Devices in which the closing devices include springs and gear elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69,	for pneumatic checks including spring and gear elements.
79,	for spring and gear type door closers.

[List of Patents for class 16 subclass 65]

Spring and lever:

This subclass is indented under subclass 49. Devices in which the closing devices include springs and lever elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

70,	for pneumatic checks including spring and lever elements.
80,	for spring and lever type door closers.

66	Pneumatic:
	This subclass is indented under subclass 49. Devices the checking devices including pneumatic checking means.

67	Flexible link:
	This subclass is indented under subclass 66. Devices in which the closing devices include flexible elements.

68	Hinge:
	This subclass is indented under subclass 66. Devices combined with hinge structure.

69	Spring and gear:
	This subclass is indented under subclass 66. Devices in which the closing devices include springs and gear elements.

70	Spring and lever:
	This subclass is indented under subclass 66. Devices in which the closing devices include springs and lever elements.

[List of Patents for class 16 subclass 71]

CLOSERS:

This subclass is indented under the class definition. Closing devices for doors and the like.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closure, subclasses 386+ for a closure mounted for swinging movement combined with a means to bias it in one direction.

[List of Patents for class 16 subclass 72]

Spring:

This subclass is indented under subclass 71. Devices including miscellaneous spring elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78,	79 and 80, for springs combined with other elements for closing doors.
85+,	for spring devices for checking a closure.

SEE OR SEARCH CLASS:

124,	Mechanical Guns and Projectors, subclasses 7+ for spring devices actuating projectile-throwing arms and subclasses 16+ for spring devices actuating a plunger or other device to impel a projectile.

73	Bow:
	This subclass is indented under subclass 72. Devices in which the spring elements are substantially bowed or U-shaped.

74	Rubber:
	This subclass is indented under subclass 72. Devices in which the spring elements are composed of rubber.

75	Torsional:
	This subclass is indented under subclass 72. Devices in which the spring elements are subjected to torsional stresses.

76	Coil:
	This subclass is indented under subclass 75. Devices in which the torsional spring elements are wholly or in part in the form of coils.

77	Volute:
	This subclass is indented under subclass 72. Devices in which the spring elements are in form of volute coils.

78	Spring and flexible link:
	This subclass is indented under subclass 71. Devices including springs, and inks for connecting the springs to the doors or closures.

79	Spring and gear:
	This subclass is indented under subclass 71. Devices including springs, and gears or rack-and-pinion elements for connecting the springs to the doors or closures.

80	Spring and lever:
	This subclass is indented under subclass 71. Devices including springs, and lever elements for connecting the springs to the doors or closures.

[List of Patents for class 16 subclass 81]

Weight:

This subclass is indented under subclass 71. Devices including gravitating weights and connecting elements.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closures, subclass 387 for a swinging closure biased in one direction by a separate weight.

[List of Patents for class 16 subclass 82]

CLOSURE CHECKS:

This subclass is indented under the class definition. Buffers, antislamming devices and stops for doors, drawers and the like.

SEE OR SEARCH CLASS:

109,	Safes, Bank Protection, or a Related Device, subclass 63.5 for the combination of a receptacle, a closure, closure fastening means, and means to prevent closing of the closure under abnormal conditions.
292,	Closure Fasteners, subclasses 341.12+ for keepers including or combined with buffers or cushioning means.

83	Inertia:
	This subclass is indented under subclass 82. Devices including inertia elements or movable cushioning means.

[List of Patents for class 16 subclass 84]

Pneumatic:

This subclass is indented under subclass 82. Devices including pneumatic checking means.

SEE OR SEARCH CLASS:

188,	Brakes, subclasses 297+ for a dashpot or shock absorber of general utility.

85	Spring:
	This subclass is indented under subclass 82. Devices including spring cushioning means, unless otherwise classified.

86	Rubber:
	This subclass is indented under subclass 85. Devices in which the spring means is composed largely of rubber or the like.

86.1	GATE HANGERS:
	This subclass is indented under the class definition. Supporting devices or hangers for sliding gates and the like.

86.2	Sliding and swinging:
	This subclass is indented under subclass 86.1. Devices in which the gate may have both a horizontal translational and a lateral swinging movement.

[List of Patents for class 16 subclass 87]

PANEL HANGERS, TRAVELERS AND/OR TRACKS:

This subclass is indented under the class definition. Movable supporting devices and/or tracks for sliding panels of either rigid or flexible nature, not otherwise classified. The combination of the device or track with its support and/or with the article supported will also be found here, where the characteristics of the supported article (other than those which directly cooperate with the supporting device or track) are not claimed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86.1+,

for hangers for sliding gates.

SEE OR SEARCH CLASS:

104,	Railways, subclass 93 for suspended railways of the single rail type.
105,	Railway Rolling Stock, subclasses 150+ for suspended railway rolling stock of the single rail type.
160,	Flexible or Portable Closure, Partition, or Panel, subclasses 19+ , 123+ and 330+ for closures, partitions and panels, having hangers travelers and track devices.
296,	Land Vehicles: Bodies and Tops, subclasses 210+ for land vehicles having specific top structure having an opening therein with closure means for said opening slidable on track means.

[List of Patents for class 16 subclass 87.2]

87.2

With flexible panel attaching means:

This subclass is indented under subclass 87. Devices wherein some means for attaching a flexible fabric panel to the device and capable of travel along the track or hanger is claimed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87+,	for devices in which the fastening means is for a rigid panel (usually in the form of bolts, screws or their equivalents).
93,	and 97+, for the traveler element, per se, without any antifriction means.
94+,	for the track element with or without its mounting means.

SEE OR SEARCH CLASS:

24,	Buckles, Buttons, Clasps, etc., subclass 716 for a hanger (e.g., hook) on a portable article support.
180,	Motor Vehicles, subclasses 19 and 340+ for this same combination including in addition means for operating the panel structure.

[List of Patents for class 16 subclass 87.4]

87.4

Covered, hollow or slotted track:

This subclass is indented under subclass 87.2. Devices wherein the track (1) has a shield or protecting hood covering the same, or (2) is an elongated element, longitudinally slotted or hollow, in which the traveler portion moves, and from which the panel or panel carrying portion extends to the exterior of the hollow or slotted elongated element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

94,	for track elements with their supporting brackets.
96,	for the track element, per se.

SEE OR SEARCH CLASS:

160,	Flexible or Portable Closure, Partition, or Panel, subclasses 19 and 345 for other hollow or slotted track combined with closures etc.

[List of Patents for class 16 subclass 87.6]

87.6

With antifriction means:

This subclass is indented under subclass 87.4. Devices in which antifriction means is used between the traveler and the track.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88,	89 and 97+, for traveler elements, per se, equipped with either balls, rollers or wheels.

SEE OR SEARCH CLASS:

104,	Railways, subclass 93 for suspended railways of the single rail type.
105,	Railway Rolling Stock, subclass 150 for suspended railway rolling stock of the single rail type.
160,	Flexible or Portable Closure, Partition, or Panel, subclasses 19 and 346 for hollow or slotted track with antifriction means, combined with closures, etc.

[List of Patents for class 16 subclass 87.8]

87.8

With antifriction means:

This subclass is indented under subclass 87.2. Devices in which antifriction means is used between the traveler and the track.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87.6,	for antifriction means with hollow, slotted or covered tracks.
88,	89 and 97+, for traveler elements, per se, equipped with either balls, rollers or wheels.

SEE OR SEARCH CLASS:

104,	Railways, subclass 93 for suspended railways of the single rail type.
105,	Railway Rolling Stock, subclass 150 for suspended railway rolling stock of the single rail type.
160,	Flexible or Portable Closure, Partition, or Panel, subclasses 19 and 347 for antifriction means.

88	Ball:
	This subclass is indented under subclass 87. Devices having rolling elements in the form of balls.

89	Cylinder:
	This subclass is indented under subclass 87. Devices having rolling elements in the form of cylinders.

90	Guide brackets:
	This subclass is indented under subclass 87. Guiding devices for the lower edges of sliding panels and the like.

91	Guide rollers:
	This subclass is indented under subclass 87. Brackets carrying guide or stay rollers for the edges of sliding panels and the like.

[List of Patents for class 16 subclass 92]

Link and lever:

This subclass is indented under subclass 87. Movable supporting-hangers for sliding panels and the like, the supporting means composed largely of link and lever elements.

SEE OR SEARCH CLASS:

160,	Flexible or Portable Closure, Partition, or Panel, subclasses 194+ , 333+, and 368.1+ for movable position types of flexible and portable panels.

[List of Patents for class 16 subclass 93]

Sliding shoe:

This subclass is indented under subclass 87. Sliding supporting means for panels and the like, the supporting means including tracks and sliding shoes.

(1) Note. The ring type combinations have been placed in this subclass (Class 16, subclass 93).

SEE OR SEARCH CLASS:

24,	Buckles, Buttons, Clasps, etc., subclass 311 for combined fasteners of general application, even if disclosed as flexible panel travelers. These include particularly the hook-type devices, e.g., the hook-hook, hook-clasp and hook-pin hangers.

[List of Patents for class 16 subclass 94]

Track and bracket:

This subclass is indented under subclass 87. Tracks as defined in subclass 96 combined with supporting brackets.

SEE OR SEARCH CLASS:

104,	Railways, subclasses 89 through 111for suspended railway structures and subclasses 106+ for the suspended rail structures with or without their supports.
211,	Supports: Racks, subclass 105.1 (and see the notes thereunder), for single horizontal rod type devices and their supports.
248,	Supports, subclasses 200+ for bracket supports, per se, and particularly subclasses 261+ for horizontal curtain rod brackets.

[List of Patents for class 16 subclass 95]

Covered, hollow or slotted track:

This subclass is indented under subclass 87. Devices wherein the track as defined in subclass 96 below (1) has a shield or protecting hood covering the same, (2) is an elongated element longitudinally slotted or hollow in which the traveler portion moves and from which the panel or panel carrying portion of the traveler extends to the exterior of the hollow or slotted elongated element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87.4+,	for covered hollow or slotted track combined with flexible panel attaching means.
94,	for tracks of this type combined with supporting brackets.

SEE OR SEARCH CLASS:

104,	Railways, subclasses 89 through 111for suspended railway structures and particularly subclass 106 for the suspended rail structures with or without their supports.
160,	Flexible or Portable Closure, Partition, or Panel, subclasses 345+ for hollow or slotted track combined with closures, etc.
191,	Electricity: Transmission to Vehicles, subclasses 22+ (especially subclasses 23+ and 30+) for similar structure for transmitting electrical energy to moving vehicles.

[List of Patents for class 16 subclass 96]

Tracks:

This subclass is indented under subclass 87. Tracks or track devices for sliding panels of either rigid or flexible nature.

SEE OR SEARCH THIS CLASS, SUBCLASS:

94,	for tracks of this type combined with supporting brackets and see the notes appended thereto.
95,	for covered tracks of this type, and see the notes appended thereto.

SEE OR SEARCH CLASS:

104,	Railways, subclasses 89 through 111for suspended railway structures and particularly subclass 106 for the suspended rail structures with or without their supports.
238,	Railways: Surface Track, subclass 238 , appropriate subclasses for railway surface track.

[List of Patents for class 16 subclass 97]

Wheel mounts:

This subclass is indented under subclass 87. Wheel-supporting frames or brackets for sliding panels not otherwise classified.

SEE OR SEARCH THIS CLASS, SUBCLASS:

18+,	(especially subclasses 45+ for other wheel mounts).

SEE OR SEARCH CLASS:

280,	Land Vehicles, subclasses 11.19+ for skates provided with wheels.
295,	Railway Wheels and Axles, pertinent subclasses.
301,	Land Vehicles: Wheels and Axles, subclasses 124.1+ for axles, per se.
474,	Endless Belt Power Transmission Systems or Components, various subclasses for a pulley or guide roll associated with an endless belt power transmission.

[List of Patents for class 16 subclass 98]

Antifrictionally mounted wheels:

This subclass is indented under subclass 97. Devices the wheels having antifriciton-rollers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

46+,	for caster wheels.

SEE OR SEARCH CLASS:

384,	Bearings, appropriate subclasses for plain and anti-friction bearing, per se.

99	Door elevating:
	This subclass is indented under subclass 97. Devices combined with lever means or the like for releasing and elevating the panels or wheel-supporting frames.

100	Floor:
	This subclass is indented under subclass 97. Devices in which the frames or brackets are carried by the lower parts of the panels or floor.

101	Reciprocating track:
	This subclass is indented under subclass 97. Devices having reciprocating tracks secured to the tops of sliding panels and the like.

102	Traveling wheel:
	This subclass is indented under subclass 97. Devices in which the wheel-journals roll upon the frames or brackets.

103	Swinging:
	This subclass is indented under subclass 97. Devices which are pivotally connected whereby the panels may be swung transversely.

104	Swiveling:
	This subclass is indented under subclass 97. Devices which are vertically pivoted to provide for swiveling of the wheel-mount or panel.

105	Vertically adjustable:
	This subclass is indented under subclass 97. Devices having means for vertical adjustment of the panels.

106	Wheel and guide roller:
	This subclass is indented under subclass 97. Devices having one or more guide-rollers for guiding the panels and wheel-mounts.

107	Wheels:
	This subclass is indented under subclass 87. Devices having wheels of specific construction.

[List of Patents for class 16 subclass 108]

108

FERRULES, RINGS, AND THIMBLES:

This subclass is indented under the class definition. Devices comprising annular protective bands, caps, or collars to be applied to the exterior of rods, pipes, conduits, strands or other devices to reinforce the same and/or to prevent abrasion of elements passing therethrough into an opening in the rod, pipe, conduit, etc.

(1) Note. These devices have various means for fastening them to the device to which they are applied.

(2) Note. So much of the device to which they are applied may be claimed as is necessary to the definition of the ferrule, ring or thimble or its fastening means.

SEE OR SEARCH CLASS:

29,	Metal Working, subclass 277 for impact-receiving thread-protectors used to facilitate assembly or disassembly of a threaded part, such as a vehicle axle.
135,	Tent, Canopy, Umbrella, or Cane, subclasses 77+ for ferrules on tips of umbrellas, canes or crutches.
138,	Pipes and Tubular Conduits, subclass 96 for pipe end protectors.
174,	Electricity: Conductors and Insulators, subclass 82 for similar devices limited by claimed structure to use with electric conduits or cables.
226,	Advancing Material of Indeterminate Length, may include a nominal recitation of a supply or take-up coil (e.g., less than a support for such a coil or a cooperative relationship between a tension or exhaust detector and reel driving or reel stopping means, etc.), subclass 196.1 for a passive guide combined with a material feeder.
242,	Winding, Tensioning, or Guiding, subclasses 615+ for a residual guide or guard that directs elongated flexible material or one combined with more than nominal winding structure.
403,	Joints and Connections, subclasses 299+ for a plurality of rods connected by a coupling ferrule.

109	Ring ferrules:
	This subclass is indented under subclass 108. Devices substantially in the form of rings.

110.1

HANDLE, HANDLE COMPONENT, OR HANDLE ADJUNCT:

This subclass is indented under the class definition. Subject matter, not otherwise classified, wherein the device comprises (1) a construction which is attached or intended to be attached to a number of implements (e.g., utensil, appliance, tool, etc.) or such items as movable structures (e.g., door or drawer, etc.) or carried means (e.g., luggage, casket, container, etc.) for the purpose of manipulating such, (2) a subcombination of such a construction, or (3) an accessory which cooperates with the construction while it is attached for use.

(1) Note. The inclusion of the structure of a handle shaft will not exclude a reference from classification in this subclass.

(2) Note. Handles in other classes.

(3) Note. The following See or Search Class notes include six subject areas as indicated: (1) for receptacles, (2) for tools, implements, and analogous devices, (3) for handles, handtools, and analogous devices for operating mechanisms, (4) for boat, buoy, and vehicle handholds and handles, (5) for handling fastening devices, and (6) other handles and attachments or attaching means.

SEE OR SEARCH CLASS:

5,	Beds, subclass 662 for handles and handholds for assisting rising from a bed, subclasses 466+ for mattress handles; and subclasses 658+ for bed accessories. (For other handles, and attachments or attaching means, as indicated).
7,	Compound Tools, subclasses 167+ compound tool handles and holders. (For tools, implements, and analogous devices).
15,	Brushing, Scrubbing, and General Cleaning, subclasses 22.1+ , 79.1+, 143.1+, 222, 327.1+, 329, 335, 344, 350+, 361, and 410+ for handles associated with brushing, scrubbing or cleaning devices (For tools, implements, and analogous devices); subclasses 146, 147.1+, and 148 for holders for brushes, brooms and mops (For handle fastening devices).
29,	Metal Working, subclass 161 for processes of manufacture of knobs and knob shanks. (For other handles, and attachments or attaching means, as indicated).
30,	Cutlery, subclasses 340+ connections between handles and cutting tools (for handle fastening devices); subclasses 85+, 329+, 340+ for handles for razors, and connections between handles and detachable blades, and subclasses 491 handle for a plane, and 517+ for a saw handle. (For tools, implements, and analogous devices).
36,	Boots, Shoes, and Leggings, subclass 56 bootstraps. (For other handles, and attachments or attaching means, as indicated).
38,	Textiles: Ironing or Smoothing, subclasses 90+ handles for flat irons. (For tools, implements, and analogous devices).
42,	Firearms, subclasses 7 and 71.02+ for handles and grips for firearms. (For tools, implements, and analogous devices).
43,	Fishing, Trapping, and Vermin Destroying, subclass 23 handles or butts for fishing rods. (For tools, implements, and analogous devices).
49,	Movable or Removable Closures, subclasses 460+ for a push or pull bar mounted on a closure and in combination therewith. (For other handles, and attachments or attaching means, as indicated).
53,	Package Making, subclasses 134.1+ for a packaging machine which also applies a handle to a package as an adjunct to the cover therefor. (For other handles, and attachments or attaching means, as indicated).
70,	Locks, subclasses 192+ , 207+ and 225+ for locks and latch mechanisms for handles, hand wheels and levers. (For other handles, and attachments or attaching means, as indicated).
74,	Machine Element or Mechanism, subclasses 543+ handles, handle bars, hand wheels for machine elements. (For handles, handwheels, and analogous devices for operating mechanisms).
76,	Metal Tools and Implements, Making, subclass 106 blanks and processes for making hollow cutlery handles. (For other handles, and attachments or attaching means, as indicated).
81,	Tools, subclasses 119+ for rigid jaw wrenches, subclasses 177.1+ for wrench handle and shanks, subclass 427.5 for plier handles, subclass 487 for a hand held holder, and subclasses 489+ for a general tool handle which is not disclosed for use with a particular type of handtool. (For tools, implements, and analogous devices).
101,	Printing, subclasses 405+ for printing stamp handles. (For tools, implements, and analogous devices).
105,	Railway Rolling Stock, subclass 461 grab irons. (For boat, buoy, and vehicle handholds and handles).
116,	Signals and Indicators, subclass 172 for bell pulls, cranks and push buttons. (For handles, handwheels and analogous devices for operating mechanisms).
119,	Animal Husbandry, subclass 633 for handle detail for animal comb. (For tools, implements, and analogous devices).
132,	Toilet, subclass 76.5 for separable holders for abrader, file, or buffer. (For tools, implements, and analogous devices).
135,	Tent, Canopy, Umbrella, or Cane, subclasses 65+ handles for canes and umbrellas. (For tools, implements, and analogous devices).
150,	Purses, Wallets, and Protective Covers, subclasses 107+ for handles for pocketbooks. (For receptacles).
172,	Earth Working, subclasses 329+ for earth working tools with handles. (For tools, implements, and analogous devices).
173,	Tool Driving or Impacting, appropriate subclass for a manipulating handle combined with a tool drive or impacting device, and particularly subclasses 168+ for a handle having a passage for drive motor motive fluid, and subclass 170 for a manipulating handle having a drive control operable by the engaging hand. (For tools, implements, and analogous devices).
190,	Trunks and Hand-Carried Luggage, subclass 39 for handles on trunks, and subclasses 115+ for handles on hand luggage. (For receptacles).
200,	Electricity: Circuit Makers and Breakers, subclass 61.85 for handle for special application switch. (For handles, handwheels and analogous devices for operating mechanisms).
217,	Wooden Receptacles, subclass 125 handles on baskets. (For receptacles).
220,	Receptacles, subclass 696 for container with structure for lifting, subclass 710.5 for drinking device with handle and subclasses 752+ for receptacle handle, handle component or handle adjunct. (For receptacles).
222,	Dispensing, subclasses 323+ , 441+ and 465.1+, handles or handgrips connected to a supply or dispenser container for handling the dispenser. (For receptacles).
229,	Envelopes, Wrappers, and Paperboard Boxes, subclasses 117.09+ for a handle combined with a paperboard box. (For receptacles).
239,	Fluid Sprinkling, Spraying, and Diffusing, subclasses 154 , 175, 375+ and 525+ for fluid discharging devices having handles for manipulation thereof, with or without vehicular or other type of supply container. (For tools, implements, and analogous devices).
244,	Aeronautics and Astronautics, subclass 129.1 handles on aircraft. (For boat, buoy, and vehicle handholds and handles).
248,	Supports, subclass 145.6 for movable receptacle supports with handles. (For receptacles).
250,	Radiant Energy, subclass 465.1 self-luminous handles or attachments therefore and subclass 483.1 for fluorescent and phosphorescent handles. (Other handles, and attachments or attaching means, as indicated).
279,	Chucks or Sockets, appropriate subclasses for connections of the chuck or socket type. (For handle fastening devices).
280,	Land Vehicles, subclasses 242.1+ for hand propelled wheeled vehicle. (For boat, buoy, and vehicle handholds and handles).
292,	Closure Fasteners, subclasses 348+ connections between knobs and latch spindles. (For handle fastening devices); subclasses 347 and 348+ for latch spindle operating knobs and connections. (For handles, handwheels and analogous devices for operating mechanisms).
294,	Handling: Hand and Hoist-Line Implements, subclasses 57+ for hand fork and shovel handles (For tools, implements, and analogous devices); subclasses 27.1+ for a removable handle or handling device for a plate or receptacle wherein there is no particular modification on the plate or receptacle for reception of the handle or handling device and subclass 137 for article carriers gripped and carried by the hand, especially subclasses 170 and 171 for handles having article-engaging hooks or grooves for accommodating twine around a package. (For other handles, and attachments or attaching means, as indicated).
296,	Land Vehicles: Bodies and Tops, subclasses 71+ handles on vehicle dashboards. (For boat, buoy, and vehicle handholds and handles).
297,	Chairs and Seats, subclasses 183.1+ for a chair or seat having handles for carrying, or for steadying a standing person adjacent to the seat, as in a bus or train. (For boat, buoy, and vehicle handholds and handles).
359,	Optical: Systems and Elements, subclass 882 for mirrors and reflectors including a handle. (For tools, implements, and analogous devices).
362,	Illumination, subclass 399 handles and bails for lighting supports. (For other handles, and attachments or attaching means, as indicated.)
383,	Flexible Bags, for subclasses 6+ for a handle combined with a flexible bag. (For receptacles).
401,	Coating Implements With Material Supply, for hand-manipulable coating implements with material supply, in which the following subclasses may include patents to implements with significant handle structure: 3, heat insulating handle; 6+, with means to attach or conform to a body member of the user; 48, with means to support or stabilize implement while in use; 88+, pencil, or the like; 99+, including means to project and retract tool; and 138, and 140, including reservoir mounted on elongated handle. (For tools, implements, and analogous devices).
403,	Joints and Connections, appropriate subclasses for a connection between a handle and a device to which it is attached wherein only so much structure of the handle and device is included as cooperates to effect the joint. (For handle fastening devices).
414,	Material or Article Handling, subclasses 722+ shovel and handle structure. (For tools, implements, and analogous devices).
429,	Chemistry: Electrical Current Producing Apparatus, Product, and Processes, subclass 187 for battery having a handle. (For receptacles).
441,	Buoys, Rafts, and Aquatic Devices, subclasses 125+ handles for life rafts. (For boat, buoy, and vehicle handholds and handles).
473,	Games Using Tangible Projectile, subclasses 300+ for a golf grip. (For tools, implements, and analogous devices).
D8,	Tools and Hardware, subclasses 300+ for designs for hanldes. (For other handles, and attachments or attaching means, as indicated.)

111.1

Having receptacle within:

This subclass is indented under subclass 110.1. Subject matter wherein the handle includes structure such as a storage cavity or other receiving device.

SEE OR SEARCH CLASS:

30,	Cutlery, subclasses 535+ for razor handles having a receptacle, subclass 125 for cutlery implements having a material holder in the form of a handle receptacle, and subclass 151 for cutlery implements retractable into the handle or having some other form of sheath and see the notes thereto for sheathed tools elsewhere classified.
42,	Firearms, subclass 7 for breech loading pistols in which a magazine is placed in the handle or grip of the pistol.
132,	Toilet, subclass 147 for combs with a storage cavity in the back, subclass 75 for manicuring devices combined with a storage cavity in the body or handle and subclass 290 for shaving kits combining an article peculiar to toilet use (e.g., comb, mirror) with a brush and a soap holder which may be the brush handle.
135,	Tent, Canopy, Umbrella, or Cane, subclasses 65+ for stick and handle structures for canes and other sticks or staffs used as aids to locomotion and providing for the storage of articles.
174,	Electricity: Conductors and Insulators, subclass 46 for handles encasing or housing conductors.
222,	Dispensing, subclass 191 for devices in which a dispenser container may serve as or be contained in a tool or implement handle.
401,	Coating Implements With Material Supply, subclass 123 for a coating implement including a coating tool, within the handle of which is stored a supply of coating material which is removable for application to the tool.

112.1

For plow:

This subclass is indented under subclass 110.1. Subject matter wherein the handle is for an implement used to cut lift and turn over soil.

SEE OR SEARCH CLASS:

172,	Earth Working, subclasses 329+ for earth working tools with handles.

113.1

Length adjustable pull handle for luggage or luggage cart (e.g., wheeled suitcase handle, etc.):

This subclass is indented under subclass 110.1. Subject matter which usually includes a graspable handle element for movement of a carrier for travelers belongings and a mechanism for extension and retraction of said element.

(1) Note. The handle is often referred to as retractable to a storage or nonuse position.

(2) Note. Subcombinations such as retraction and extension and handle locking mechanisms are included herein.

SEE OR SEARCH CLASS:

190,	Trunks and Hand-Carried Luggage, subclass 18 for wheels bearing the weight of baggage and subclass 115 for hand luggage including a graspable handle for moving it.
280,	Land Vehicles, subclass 37 for a wheeled vehicle foldable into the form of a traveling bag or case having wheels or parts enclosed therein and subclass 655.1 for a wheeled vehicle wherein only a handle is folded or retracted.

114.1

Luggage type (loop style) hand grip for carrying (e.g., suitcase, handbag, briefcase, shopping bag, package, etc.):

This subclass is indented under subclass 110.1. Subject matter including a grasped element comprising a normally curved portion connected at its ends usually in close proximity with the body of a article such as a suitcase intended to be hand carried.

(1) Note. When the gripping portion is grasped the fingers of the hand pass between such portion and the carried article.

SEE OR SEARCH CLASS:

190,	Trunks and Hand-Carried Luggage, subclasses 115+ for handles on hand luggage.

[List of Patents for class 16 subclass 193]

193

SASH BALANCES:

This subclass is indented under the class definition. Devices, including means connected with sashes, frames or panels for holding them in balanced or adjusted position.

(1) Note. In the following indented subclass, "sashes" is used generically.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closures, subclasses 445+ for a counterbalance combined with means, e.g., bearing, to guide the movement of the closure or a counterbalance interrelated with two or more closures, and see the search notes thereto for the loci of other closure counterbalances.
248,	Supports, subclasses 325 , 329-331 and 334.1+ for adjustable or balanced supports and subclass 364 for counterbalance weights.

194	Cord and counterweight:
	This subclass is indented under subclass 193. Devices having connected cords and counterweights for holding the sashes in balanced or adjusted position.

[List of Patents for class 16 subclass 195]

195

Rack and pinion:

This subclass is indented under subclass 193. Devices having connected racks and pinions for holding the sashes in balanced or adjusted position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

201,	for springs combined with racks and pinions.

196	Sash and cord:
	This subclass is indented under subclass 193. Devices having connected cords or chains combined with pulleys for holding the sashes in balanced or adjusted position.

197	Spring:
	This subclass is indented under subclass 193. Devices having springs or the like for holding the sashes in balanced or adjusted position and not otherwise classified.

198	Drum and cord:
	This subclass is indented under subclass 197. Devices combined with drum-and-cord devices for holding the sashes in balanced or adjusted position.

199	Friction roller:
	This subclass is indented under subclass 197. Devices combined with friction-rollers or the like for holding the sashes in balanced or adjusted position.

200	Lever:
	This subclass is indented under subclass 197. Devices combined with lever devices or the like for holding the sashes in balanced or adjusted position.

[List of Patents for class 16 subclass 201]

201

Rack and pinion:

This subclass is indented under subclass 197. Devices combined with rack-and-pinion devices or the like for holding the sashes in balanced or adjusted position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

193,	for rack and pinion balances without spring means.

[List of Patents for class 16 subclass 202]

202

SASH-CORD FASTENERS:

This subclass is indented under the class definition. Fastening devices of sash-cords.

SEE OR SEARCH CLASS:

24,	Buckles, Buttons, Clasps, etc., subclasses 115+ for cord and rope holders of general application.

203	Bendable:
	This subclass is indented under subclass 202. Devices composed of bendable or compressible material.

204	Chain:
	This subclass is indented under subclass 202. Devices for sash-chains.

[List of Patents for class 16 subclass 205]

205

Clamps:

This subclass is indented under subclass 202. Devices comprising separate movable clamping elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

203,	for bendable clamps.

206	Hooks:
	This subclass is indented under subclass 202. Devices including hooks.

207	Knot:
	This subclass is indented under subclass 202. Devices for knotted sash-cords.

208	Slack-cord holders:
	This subclass is indented under subclass 202. Devices for temporarily holding sash cords or chains while unfastened from the sashes.

209	Weight:
	This subclass is indented under subclass 202. Devices for fastening weights to sash-cords, chains and the like.

[List of Patents for class 16 subclass 210]

210

SASH-CORD GUIDES:

This subclass is indented under the class definition. Devices comprising guide means for sash cords.

SEE OR SEARCH CLASS:

254,	Implements or Apparatus for Applying Pushing or Pulling Force, subclasses 389+ for a device or a member intended to guide a moving cable, the cable is attached to or supports an object being pulled by the cable from one position or location to another.
474,	Endless Belt Power Transmission Systems or Components, various subclasses for devices such as pulleys or guide rolls for guiding or tensioning a power transmission belt.

211	Casings:
	This subclass is indented under subclass 210. Devices comprising specific casings for sash-cord guide-pulleys.

212	Sheet metal, single piece:
	This subclass is indented under subclass 211. Devices constructed from single pieces of sheet metal.

[List of Patents for class 16 subclass 213]

213

Multiple wheel:

This subclass is indented under subclass 210. Devices having two or more guide wheels or pulleys.

SEE OR SEARCH CLASS:

226,	Advancing Material of Indeterminate Length, subclasses 168+ for a roller which advances web or strand material.

214	Sliding:
	This subclass is indented under subclass 210. Devices having one or more grooves for guiding the cords.

215	Wheel and casing:
	This subclass is indented under subclass 210. Devices comprising specific constructions of combined sash-cord wheels and casings.

[List of Patents for class 16 subclass 216]

216

SASH WEIGHTS:

This subclass is indented under the class definition. Devices comprising weights for balancing sashes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

403	and 404, for other weights and see the search notes thereunder.

217	Composite:
	This subclass is indented under subclass 216. Weights composed of two or more different materials.

218	Sectional:
	This subclass is indented under subclass 216. Weights made in removable sections secured together.

219	Weight and wheel:
	This subclass is indented under subclass 216. Weights having one or more attached wheels or pulleys.

[List of Patents for class 16 subclass 220]

220

WINDOW-BEAD FASTENERS:

This subclass is indented under the class definition. Devices comprising fastening devices for removably securing window-beads to window frames or casings.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closures, subclasses 456+ for securing means for a closure guide which permits removal of the guide and closure.

[List of Patents for class 16 subclass 221]

221

HINGE:

This subclass is indented under the class definition. Device for swingably connecting two members and comprising a first portion adapted to engage or be fastened to a first member (e.g., frame, box, sill), and a second portion adapted to engage or be fastened to a second member (e.g., closure).

(1) Note. Claims which include a nominal recitation of a specific member (e.g., "trunk lid", "refrigerator door", etc.) are properly classified in this and indented subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

49+,	for a hinge combined with a check to prevent a closure from slamming, and a means to return the closure to a closed position.

SEE OR SEARCH CLASS:

4,	Baths, Closets, Sinks, and Spittoons, subclasses 236 and 240 for toilet seat hinges.
24,	Buckles, Buttons, Clasps, etc., subclass 33 for hinged belt fasteners; and subclass 598 for headed socket fasteners having a hinged cap plate.
29,	Metal Working, subclass 11 for hinge making and assembling.
40,	Card, Picture, or Sign Exhibiting, subclass 119 for calendars having hinged leaves; and subclasses 475, 497+ and 530 for changing exhibitors employing hinges.
42,	Firearms, subclass 63 for a revolver having a hinged barrel.
49,	Movable or Removable Closures, subclasses 208+ for closures mounted for multidirectional or oblique movement; and subclasses 381+ for a closure mounted for swinging movement.
63,	Jewelry, subclasses 7+ and 9 for a bracelet having a hinge; and subclass 19 for a locket having a hinged cover.
108,	Horizontally Supported Planar Surfaces, subclasses 59+ for tables having hinged leaves; and subclasses 115+ for folding (card) tables.
109,	Safes, Bank Protection, or a Related Device, subclasses 69+ for safe closures mounted for plural motions (e.g., sliding and swinging).
114,	Ships, subclasses 176 and 178 for hinged port covers.
126,	Stoves and Furnaces, subclass 194 for a stove door or window hinge.
150,	Purses, Wallets, and Protective Cover, subclasses 120+ for a purse having a hinged lid.
152,	Resilient Tires and Wheels, subclass 414 for a wheel rim comprised of hinged sections.
182,	Fire Escape, Ladder, or Scaffold, subclasses 165+ for a folding stepladder having hinged sections.
184,	Lubrication, subclasses 90+ for hinged oil cup closures.
206,	Special Receptacle or Package, subclass 6 for an eyeglass case having hinged sections.
217,	Wooden Receptacles, subclass 83 for hinged barrel covers.
220,	Receptacles, subclasses 810+ for receptacles of that class having hinged closures.
222,	Dispensing, under subclass 221 comprising an element which is designed to either fracture at a predetermined force or to melt at a predetermined temperature.
229,	Envelopes, Wrappers, and Paperboard Boxes, subclasses 125.08+ for boxes having hinged closures.
244,	Aeronautics and Astronautics, subclass 49 for aircraft having hinged (foldable) wings.
256,	Fences, subclass 26 for a fence comprised of hinged panels.
293,	Vehicle Fenders, subclasses 44+ for hinged vehicle fenders.
296,	Land Vehicles: Bodies and Tops, subclasses 86+ for hinged windshields; and subclass 92 for windshield hinges.
301,	Land Vehicles: Wheels and Axles, subclass 32 for demountable rims comprised of hinged sections.
305,	Wheel Substitutes for Land Vehicles, subclasses 185+ for hinge details of vehicle treads.
351,	Optics: Eye Examining, Vision Testing and Correcting, subclass 121 for spectacle temples with a hinge connector; and subclass 153 for spectacle strap type connectors including a particular hinge. See also (1) Note under subclass 121 for the classification of hinges in spectacles.
402,	Binder Device Releasably Engaging Aperture or Notch of Sheet, subclasses 26+ for hinged binder rings.
403,	Joints and Connections, subclasses 52+ for articulated members.
404,	Road Structure, Process, or Apparatus, subclasses 25+ for a hinged cover (e.g., "grating") spanning an opening in a road or walkway.
405,	Hydraulic and Earth Engineering, subclass 20 for a revetment comprised of hinged concrete sections.
439,	Electrical Connectors, subclass 31 for interrelated electrical connectors that are part of a hinge; and subclass 165 for an electrical connector with relatively guided members and an intermediate pliable conductor.
602,	Surgery: Splint, Brace, or Bandage, subclass 16 for hinged surgical brace.
623,	Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor, appropriate subclasses for joint structure in an artificial body member.

222	Including frangible or fusible portion:
	This subclass is indented under subclass 221. Hinge comprising an element which is designed to either fracture at a predetermined force or to melt at a predetermined temperature.

[List of Patents for class 16 subclass 223]

223

With diverse art portion or attachment:

This subclass is indented under subclass 221. Hinge wherein either a section formed on the hinge or a device attachable thereto is provided for a purpose not associated with or affecting the operation of the hinge or its attachment to a hinged member*.

(1) Note. The "device" required in the above definition must be other than a hinged member*.

SEE OR SEARCH CLASS:

248,	Supports, subclasses 479+ for a mirror bracket pivotally mounted on an automobile door hinge.

[List of Patents for class 16 subclass 224]

224

Ball and socket:

This subclass is indented under subclass 221. Hinge wherein the structure for swingably connecting the hinged members* comprises a bulbous, substantially spherical portion adapted to be fixed to a first hinged member and to be seated in a corresponding concavity attachable to a second hinged member.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 51 and 261 for a ball and socket connection between pipe sections.
403,	Joints and Connections, subclasses 56 , 90, and 122+ for a ball and socket connection between two members, wherein an intrinsic property of one of the members is utilized in making the connection (e.g., the "ball" or "socket" is formed directly on the hinged member*).

[List of Patents for class 16 subclass 225]

225

Pliant or elastic hinge:

This subclass is indented under subclass 221. Hinge comprising a section of bendable or resiliently deformable material connecting the two members, and which deforms to allow the members to swing.

(1) Note. The pliant material must serve as the only connection between the members; therefore, a flat spring connecting two members in conjunction with a knuckle and pintle arrangement is not proper for this subclass (see subclasses 277+ below).

SEE OR SEARCH THIS CLASS, SUBCLASS:

277+,

for a resiliently biased hinge which employs a discrete spring element to bias two hinge portions about a pivotal connection between the portions.

SEE OR SEARCH CLASS:

403,	Joints and Connections, subclasses 220+ for flexibly connected rigid members, wherein the connecting means is not readily attached and removed from the rigid members.

226	Metallic:
	This subclass is indented under subclass 225. Hinge wherein the bendable or resiliently deformable material connecting the two hinged members* is metal.

[List of Patents for class 16 subclass 227]

227

Snap or X hinge:

This subclass is indented under subclass 225. Hinge wherein either (a) the hinge is biased to both open and closed position by a resiliently biased over-center mechanism, or (b) the hinge comprises two strips of bendable material, with respective first ends secured to opposite sides of one hinged member* and second ends secured to opposite sides of another hinged member, wherein the two strips cross one another at a point intermediate their ends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

293+,

for a hinge having an over-center mechanism which employs a spring element that is distinct from pivotal connecting structure of the hinge.

[List of Patents for class 16 subclass 228]

228

Eyeglass hinge:

This subclass is indented under subclass 221. Hinge peculiarly adapted for swingably connecting two portions of an eyeglass frame.

SEE OR SEARCH CLASS:

2,	Apparel, subclasses 426+ for safety goggles.
351,	Optics: Eye Examining, Vision Testing and Correcting, subclass 153 for eyeglasses having particular hinge structure.

[List of Patents for class 16 subclass 229]

229

Retractable pintle:

This subclass is indented under subclass 221. Hinge including a hinge pin* carried by one hinged member* and protruding into an opening or recess in a second hinged member, and wherein the means are provided to permit limited axial movement of the hinge pin* with respect to both hinged members to withdraw the pin from the opening or recess and thereby disconnect the hinged members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

262+,

for hinge pins which are completely removed to separate one hinge section from another, and thereby disjoin the attached hinged members*.

[List of Patents for class 16 subclass 230]

230

Latch hinge:

This subclass is indented under subclass 229. Hinge provided with two noncollinear axially movable hinge pins* protruding from a hinged member* at different locations, whereby the hinged member* may be swung about either hinge pin when the other is retracted.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closures, subclass 395 for swingably mounted closures having plural latches or locks which are distinct from the hinges.

231	Latch hinge:
	This subclass is indented under subclass 221. Hinge including means which facilitates the ready disjoining and joining of the connection between two hinged members*, wherein the hinge is used alternatively as a hinge or fastener, and in conjunction with a similar hinge on an opposite edge of a hinged member whereby the hinged member may be swung about either hinge.

232	Resilient securing means:
	This subclass is indented under subclass 231. Hinge wherein the means facilitating the ready disjoining and joining of the connection between hinged members* comprises an element which is elastically deformed when the hinged members are joined or separated.

233	Including lever for shifting one member relative to another:
	This subclass is indented under subclass 221. Hinge having structure which permits relative translational movement of the hinged members*, and which includes an elongated rigid element that provides a mechanical advantage through its length when manipulated to cause the movement between the hinged members.

234	Having staggered leaves:
	This subclass is indented under subclass 221. Hinge including three or more tandemly arranged leaves* with adjacent ones for attachment to respective hinged members* located on opposite sides of a single hinge axis.

[List of Patents for class 16 subclass 235]

235

Including adjustment for changing relative orientation of hinged members:

This subclass is indented under subclass 221. Hinge including means which permits one hinged member* to be moved and fixed relative to another hinged member.

(1) Note. The movement referred to above encompasses all translational movement, and pivotal movement other than normal swinging movement of the hinge. Any relative movement which always precedes or follows the normal pivotal movement about the hinge axis is excluded (e.g., relative vertical shifting of the members to engage or release a catch is excluded).

SEE OR SEARCH THIS CLASS, SUBCLASS:

252+,	for a hinge having a clamp for attachment to a hinged member.
350+,	for a hinge in which the hinged members* are shifted relative to one another to engage or release a catch.
362+,	for a hinge in which the hinged members* are shifted relative to one another, wherein the shifting always precedes, follows, or occurs during swinging movement of a hinged member about the hinge axis*.

236	Having plural independent adjustments:
	This subclass is indented under subclass 235. Hinge including first means which permits the hinged members* to be relatively moved and fixed along or about a first axis, and second discrete means allowing the hinged members to be relatively moved and fixed along or about a second axis.

237	All rectilinear:
	This subclass is indented under subclass 236. Hinge wherein each of the first and second adjustment means permits relative movement of the hinged members* back and forth along a straight line.

238	Including screw-operated means to move hinged members:
	This subclass is indented under subclass 237. Hinge wherein one of the adjustment means comprises a force multiplier in the form of a helically threaded member which is rotated to move one hinged member* relative to another along a straight line.

239	Pivotal adjustment:
	This subclass is indented under subclass 235. Hinge wherein the adjustment means permits one hinge portion to be moved and fixed about an axis relative to another hinge portion.

240	Including screw-operated means to move hinged members:
	This subclass is indented under subclass 239. Hinge including a force multiplier in the form of cooperating helically ribbed or grooved members which are relatively rotated to move one hinge portion about an axis relative to another hinge portion.

241	About hinge axis:
	This subclass is indented under subclass 240. Hinge wherein the axis about which one hinge portion is moved relative to another is an axis about which a hinged member* rotates during operation of the hinge.

242	Including means to move hinged members:
	This subclass is indented under subclass 235. Hinge including a force multiplier or power means which is manipulated or driven to move the hinged members*.

[List of Patents for class 16 subclass 243]

243

Along or parallel to hinge axis:

This subclass is indented under subclass 242. Hinge wherein the force multiplier or power means is arranged to effect relative movement of the hinged members* in the direction of the hinge axis*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238,	for a hinge adjustable in at least two directions, wherein adjustment in at least one direction is effected by screw-threaded means.

244	Including threaded hinge pin:
	This subclass is indented under subclass 243. Hinge including an elongated rodlike element about which a hinged member* swings, wherein threads are provided on said element for engagement with a cooperating threaded element to provide the force multiplier for moving one hinged member relative to the other.

[List of Patents for class 16 subclass 245]

245

Screw-operated:

This subclass is indented under subclass 242. Hinge including a force multiplier in the form of a spirally threaded member which is rotated to move the hinged members*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238,	for a hinge adjustable in at least two directions, wherein adjustment in at least one direction is affected by screw-threaded means.

246	To shift plate toward or away from hinged member:
	This subclass is indented under subclass 245. Hinge including a planar portion adapted to overlie a hinged member*, wherein rotation of the spirally threaded member moves the planar portion toward or away from the hinged member to which it is secured.

[List of Patents for class 16 subclass 247]

247

Having adjustable spacer between leaf and hinged member (e.g., shim):

This subclass is indented under subclass 235. Hinge comprising an element interposed between a hinge leaf* and its associated member*, wherein said element is movable or interchangeable to vary the distance between the leaf and member.

(1) Note. It is not a requirement that the spacer directly contact the member or leaf.

248	Adjustable along or parallel to hinge axis:
	This subclass is indented under subclass 235. Hinge wherein the adjustment means permits relative translation of the hinged members* in the direction of the hinge axis*.

249	Having interdigitated surfaces or slot for hinge-to-member fastener:
	This subclass is indented under subclass 235. Hinge wherein the means which permits one hinged member* to be moved and fixed relative to another hinged member comprises either (a) two cooperating portions having protrusions and recesses which are adapted to mesh in any of a plurality of relative positions corresponding to various relative positions of the hinged members, or (b) a laterally elongated aperture in the hinge and along which a fastener secured to one hinged member is confined to travel as the hinged members are adjusted.

250	Having cover:
	This subclass is indented under subclass 221. Hinge including a shroud for covering all or a portion of the hinge structure to protect the hinge or its surroundings, or to increase its aesthetic value.

[List of Patents for class 16 subclass 251]

251

Leaf cover:

This subclass is indented under subclass 250. Hinge including a rod or platelike portion by which the hinge is adapted to be secured to a hinged member*, wherein the shroud overlies and is substantially coextensive with the rod or platelike portion.

SEE OR SEARCH CLASS:

D8,	Tools and Hardware, subclasses 323+ for designs for hinges.

[List of Patents for class 16 subclass 252]

252

Having clamp for attaching hinge to member:

This subclass is indented under subclass 221. Hinge including means to permit the ready removal or replacement of the hinge from a hinged member* and comprising either (a) two opposing surfaces movable toward and away from one another for engaging and disengaging the hinged member, or (b) an element forming a constrictable opening adapted to encircle the hinged member or a portion thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

235+,	for a hinge having a clamp for fixing or releasing one hinge portion relative to another for the purpose of adjusting the hinged members.
390,	for a hinge leaf having opposed parallel surfaces with no means being claimed to force the surfaces toward one another.

253	Circumferential clamp:
	This subclass is indented under subclass 252. Hinge comprising either a constrictable element or two opposing clamping surfaces adapted to substantially surround the perimeter of a hinged member*.

[List of Patents for class 16 subclass 254]

254

Having means to facilitate assembly and disassembly of hinge sections to join or disjoin members:

This subclass is indented under subclass 221. Hinge wherein means are provided to permit the ready removal and replacement of one portion of a hinge from another portion whereby the two hinged members* are disconnected or connected.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229+,	for a hinge having a pintle which is retractable to release the hinge from a hinged member.
231+,	for a combination latch and hinge, i.e., wherein the hinge is adapted to be used alternatively as a hinge or fastener and in conjunction with a similar hinge on an opposite edge of a hinged member* such that the hinged member may be swung about either hinge.
252+,	for a hinge including opposing clamping surfaces to secure the hinge directly to a hinged member.
382+,	for a hinge provided with specific means (other than a clamp) to secure a leaf to a hinged member.

255	Resiliently biased hinge:
	This subclass is indented under subclass 254. Hinge further comprising an element which when deformed elastically exerts a force upon one of the hinged members* tending to swing the member about the hinge axis.

256	Having helical spring along hinge axis:
	This subclass is indented under subclass 255. Hinge wherein the elastically deformable element comprises a helix whose convolutions are formed about the hinge axis*.

257	Resiliently biased retaining means:
	This subclass is indented under subclass 254. Hinge wherein the means which permits the ready removal and replacement of one hinge portion from another includes an element which is deformed elastically whenever the hinge portions are assembled or disassembled.

[List of Patents for class 16 subclass 258]

258

Having discrete latch and spring to slide or pivot latch:

This subclass is indented under subclass 257. Hinge wherein the elastically deformable element biases a second individually distinct element to move along a surface or about an axis into or out of engagement with cooperating structure, thereby retaining or releasing the hinge portions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229+,

for a hinge provided with a retractable pintle.

259	Discrete retaining means for pivotal contacting surfaces:
	This subclass is indented under subclass 257. Hinge wherein the two hinge portions which may be assembled or disassembled include respective surface areas which have mutual sliding or pivotal contact during swinging movement of a hinged member* about the hinge axis*, Therein the surfaces are kept in assembled relationship by an individually distinct elastically deformable means.

260	Separation of pivotal contacting surfaces:
	This subclass is indented under subclass 254. Hinge wherein the two hinge portions which may be assembled or disassembled include respective surface areas which are engaged during assembly or disengaged during disassembly, wherein sliding or pivotal contact between the surface areas is manifested during swinging of a hinged member* about the hinge axis.

261	Having movable or removable connector:
	This subclass is indented under subclass 260. Hinge including a discrete element for retaining the hinge portions in their assembled relationship wherein said element is either moved with respect to both portions or is completely disassociated from both portions to disassemble said portions from one another.

[List of Patents for class 16 subclass 262]

262

Pintle removable from remainder of hinge:

This subclass is indented under subclass 261. Hinge wherein the discrete element is the hinge pin* and the hinge portions are disassembled by completely disassociating the hinge pin* from both hinge portions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229+,	for a hinge having a pintle that is retracted to separate two hinged members.
380+,	for a hinge having specific means to retain the pintle therein, wherein the pintle is not readily removable from the remainder of the hinge.

[List of Patents for class 16 subclass 263]

263

And additional connector or separate pintle sections:

This subclass is indented under subclass 262. Hinge wherein either (a) a discrete fastener is provided for retaining the hinge pin* and the hinge portions in assembled relationship, or (b) the hinge pin comprises plural separable segments which are disassociated to allow the hinge portions to be separated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

380+,

for a pintle connector which is not readily removable to disassemble the hinge.

264	Screw-threaded connector:
	This subclass is indented under subclass 261. Hinge wherein the discrete element for retaining the hinge portions in their assembled relationship includes a helically threaded section which cooperates with a similarly threaded section or element to retain the hinge portions in their assembled relationship.

[List of Patents for class 16 subclass 265]

265

Axially shifting hinge sections:

This subclass is indented under subclass 260. Hinge wherein the two hinge portions are separated by moving them relatively in the direction of the hinge axis*.

(1) Note. Included herein are hinges in which a hinge portion is initially moved axially, and then moved transversely to the axis to separate the portions.

266	At specific angular orientation of hinge sections:
	This subclass is indented under subclass 265. Hinge wherein the two hinge portions may be moved relatively in the direction of the hinge axis* only when placed in predetermined relative position about the hinge axis.

[List of Patents for class 16 subclass 267]

267

Hook and pin:

This subclass is indented under subclass 260. Hinge wherein the surface areas which are engaged or disengaged during assembly or disassembly of the hinge portions comprise an open curve having a reentrant end section on one hinge portion and adapted to partially surround a hinge pin* on the other hinge portion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

356,	for a hinge comprised of two nested open curved portions which move along one another and about a hinge pin, but not readily assembled and disassembled.

268	Hook in aperture:
	This subclass is indented under subclass 260. Hinge wherein the surface areas which are engaged or disengaged during assembly or disassembly of the hinge portions comprise an open curve having a reentrant end section on one hinge portion, and is adapted to pass through an opening in the other hinge portion.

[List of Patents for class 16 subclass 269]

269

Hook to hook:

This subclass is indented under subclass 260. Hinge wherein the surface areas which are engaged or disengaged during assembly or disassembly of the hinge portions each comprise an open curve having a reentrant end section.

SEE OR SEARCH THIS CLASS, SUBCLASS:

355+,

for a hinge comprised of two nested open curved portions which move along one another, but not readily assembled or disassembled.

[List of Patents for class 16 subclass 270]

270

And discrete movable or removable connector to fasten one hinge section to another:

This subclass is indented under subclass 254. Hinge including an element individually distinct from either hinge portion and which serves to retain the hinge portions in assembled relationship, wherein said element is either moved with respect to both portions, or is completely disassociated from both portions to disassemble said portions from one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261+,

for a hinge having a discrete movable or removable connector for retaining the pivotal contacting surfaces of the hinge.

271	By relatively sliding connection (e.g., dovetail):
	This subclass is indented under subclass 254. Hinge wherein the means to permit the ready removal or replacement of one hinge portion from another comprises cooperating interfitting structure on the respective portions which is initially engaged and then locked into assembled relationship by translating one portion relative to the other portion.

272	Including receiving connector attachable to hinged member:
	This subclass is indented under subclass 271. Hinge wherein the cooperating interfitting structure comprises a first element or portion adapted to be fixed to a hinged member*, and having means for accommodating a substantial part of a second element or portion which slides into the first element or portion.

273	Having means to reduce friction between hinge parts:
	This subclass is indented under subclass 221. Hinge including means specifically provided for lessening the surface friction between two opposing surfaces which are caused to move over one another as the hinged members* are swung about the hinge axis*.

274	By fluid lubricant:
	This subclass is indented under subclass 273. Hinge wherein the means for lessening the surface friction comprises a supply or a passageway for applying a friction reducing fluid to the surfaces.

[List of Patents for class 16 subclass 275]

275

Ball or roller bearing:

This subclass is indented under subclass 273. Hinge wherein the surface friction between the two opposing surfaces is reduced by interposing a plurality of rolling elements between the surfaces, whereby rolling rather than sliding contact occurs.

(1) Note. A rolling cam follower is not considered to be a bearing as defined above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

224,	for a ball and socket hinge.
313+,	for a gravitating hinge having roller which rides along a camming surface as the hinged members* swing relative to one another.

276	Circularly distributed balls or rollers:
	This subclass is indented under subclass 275. Hinge including a plurality of rolling elements arranged through a complete circle about the hinge axis*.

[List of Patents for class 16 subclass 277]

277

Resiliently biased hinge:

This subclass is indented under subclass 221. Hinge including, in addition to the structure for swingably connecting the hinged members*, an element which is elastically deformed to exert a force upon a hinged member tending to swing the member about the hinge axis*.

(1) Note. The elastically deformable element must provide bias through a substantial arc during swinging movement of the hinged member* about the hinge axis*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

225+,	for a resiliently biased hinge wherein the elastically deformable element is the only structure which connects the hinged members*.
255+,	for a resiliently biased hinge which is readily assembled or disassembled.
321+,	for a hinge having a resiliently biased catch by which a hinged member* "snaps" into open or closed position, but is not biased during the remainder of the swing.

[List of Patents for class 16 subclass 278]

278

Including means to render spring ineffective through all or a portion of swing:

This subclass is indented under subclass 277. Hinge wherein either (a) selectively actuated means are provided to release the hinged member* to swing without bias from the elastically deformable element, or (b) the hinge member swings under bias from the elastically deformable element through a first arc about the hinge axis*, and then swings without bias from the elastically deformable element through a second adjacent arc, or vice versa.

(1) Note. The elastically deformable element must provide bias through a substantial arc during swinging movement of the hinged member* about the hinge axis*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255+,

for a hinge having a resiliently biased catch by which a hinged member* "snaps" into open or closed position, but is not biased during the remainder of the swing.

279	Comprising manipulatable element or portion:
	This subclass is indented under subclass 278. Hinge wherein a selectively actuated means is provided to release the hinged member* to swing without bias from the elastically deformable element.

[List of Patents for class 16 subclass 280]

280

Biased from either direction toward neutral position (e.g., double acting):

This subclass is indented under subclass 277. Hinge wherein one or more elastically deformable elements are arranged to urge one of the hinged members* to swing about the hinge axis* toward an equilibrium position from either side of said equilibrium position, at which the net force tending to swing the member is zero.

SEE OR SEARCH THIS CLASS, SUBCLASS:

291,	for a hinge in which a helical spring transverse to the hinge axis* biases a hinged member* in either direction away from a dead center position.
293+,	for a hinge in which a spring other than a coil transverse to the hinge axis* biases a hinged member* in either direction away from a dead center position.

281	Helical spring transverse to hinge axis:
	This subclass is indented under subclass 280. Hinge wherein the hinged member* is swung about the hinge axis* by an elastically deformable element comprising a coil spring in the form of a helix and arranged on the hinge such that the axis of the helix is orthogonal with the hinge axis.

282	Plural hinge axes (e.g., multiple pintle):
	This subclass is indented under subclass 280. Hinge wherein one of the hinged members* rotates about a first hinge axis* on one side of the equilibrium position and about a second hinge axis on the other side of the equilibrium position.

283	And barrels for helical springs on separate axes:
	This subclass is indented under subclass 282. Hinge comprising two elastically deformable elements in the form of helixes, each being arranged about a separate hinge axis* and surrounded by a coaxial cylindrical cover.

[List of Patents for class 16 subclass 284]

284

Resiliently biased rolling or sliding cam surface:

This subclass is indented under subclass 280. Hinge wherein an elastically deformable element is arranged to cause a first surface associated with a hinged member* to slide or roll over a second cooperating surface, whereby the hinged member is caused to swing about the hinge axis* from either side of the equilibrium position due to the relative curvature of the surfaces.

SEE OR SEARCH THIS CLASS, SUBCLASS:

303,	for a hinge in which a hinged member* is caused to swing in only one direction by an axially biased cam surface.

285	By helical spring along hinge axis:
	This subclass is indented under subclass 280. Hinge wherein the elastically deformable element is in the form of a helix arranged about and coaxial with the hinge axis*.

[List of Patents for class 16 subclass 286]

286

Having transverse helical spring or elastic strip:

This subclass is indented under subclass 277. Hinge wherein a hinged member* is swung about the hinge axis* by an elastically deformable element comprising either (a) a coil spring in the form of a helix, or (b) a length of resilient material adapted to be stretched in the direction of its length, wherein either the axis of the helix or the length of the resilient material is orthogonal with the hinge axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

281,	for a hinge which employs a coil spring transverse to the hinge axis* to bias a hinged member* from either side of a neutral position toward the neutral position.

[List of Patents for class 16 subclass 287]

287

Plural hinge axes (e.g., multiple pintle):

This subclass is indented under subclass 286. Hinge wherein the structure which swingably connects the two hinged members* defines two or more distinct axes about which the hinged members* pivot relative to one another.

(1) Note. The pivotal movement may occur alternately about each axis or simultaneously about both axes.

288	Four or more axes:
	This subclass is indented under subclass 287. Hinge wherein the structure which swingably connects the two hinged members* defines four or more distinct axes about which the hinged members pivot relative to one another.

289	To counterbalance weight of hinged member (e.g., closure biased to open position):
	This subclass is indented under subclass 286. Hinge wherein the elastically deformable element is arranged to offset the weight of a hinged member* as the member is swung about the hinge axis*.

290	Including pivoted coaxial spring retaining bar:
	This subclass is indented under subclass 289. Hinge including an elongated cylindrical rod extending through the length of the elastically deformable element to retain the element in an axially compressed state, wherein the rod is mounted for swinging movement with respect to both hinged members* as one hinged member swings relative to the other about the hinge axis*.

[List of Patents for class 16 subclass 291]

291

Over-center spring or linkage travel (e.g., "holdback hinge"):

This subclass is indented under subclass 286. Hinge including means which first causes the elastically deformable element to reach a point of maximum deflection as a hinged member* reaches a particular position in its swing about the hinge axis*, and then allows the element to retreat from the point of maximum deflection as the hinged member continues to swing past the position.

(1) Note. Included herein are hinges having a toggle linkage which serves to bias a hinged member* about a single hinge axis* toward the open and closed positions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

323,	for hinges having a spring-biased toggle catch, but wherein the hinged members* are not biased resiliently about the hinged axis*.

[List of Patents for class 16 subclass 292]

292

Having means to hold hinged members against pivotal movement about hinge axis (i.e., catch):

This subclass is indented under subclass 286. Hinge including means to secure the hinged members* to prevent them from swinging about the hinge axis*.

(1) Note. The members must be secured against swinging movement in both directions, i.e., an abutment stop, per se, is excluded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

374+,

for a hinge having a stop or abutment.

[List of Patents for class 16 subclass 293]

293

Over-center spring or linkage travel (e.g., "holdback hinge"):

This subclass is indented under subclass 277. Hinge including means which first causes the elastically deformable element to reach a point of maximum deflection as a hinged member* reaches a particular position in its swing about the hinge axis*, and then allows the element to retreat from the point of maximum deflection as the hinged member continues to swing past the position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

291,	for a hinge having a helical spring or elastic strip which is oriented transversely to the hinge axis* and which comprises an over-center mechanism.
323,	for a hinge which included a toggle-actuated catch to fix the hinged members* in a particular relative position, but having no means to bias the hinged members about the hinge axis*.

[List of Patents for class 16 subclass 294]

294

Plural hinge axes:

This subclass is indented under subclass 293. Hinge wherein the structure which swingably connects the two hinged members* defines two or more distinct axes about which the hinged members pivot relative to one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

282+,	for a double-acting spring biased hinge having plural hinge axes*.
287+,	for a hinge biased by a helical spring or an elastic strip acting transversely to one of a plurality of hinge axes.

295	Coil spring having axis along or parallel to hinge axis:
	This subclass is indented under subclass 293. Hinge wherein the elastically deformable element comprises a helix or a flat spiral whose convolutions are formed about an axis extending in the direction of the hinge axis*.

296	Including camming or sliding surface to deflect spring perpendicularly to the hinge axis:
	This subclass is indented under subclass 293. Hinge wherein a portion of the elastically deformable element is displaced at a right angle to the hinge axis* by a contacting surface which moves along a surface of the element.

[List of Patents for class 16 subclass 297]

297

Having means to hold hinged members against pivotal movement about hinge axis (e.g., catch):

This subclass is indented under subclass 277. Hinge including means to secure the hinged members* to prevent any swinging of the members about the hinge axis*.

(1) Note. The members must be secured against swinging movement in both directions, i.e., an abutment stop, per se, is excluded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292,	for a hinge having a catch and biased by a coil spring oriented transversely to the hinge axis*.
374+,	for a hinge having a stop or abutment.

298	Having force adjustment:
	This subclass is indented under subclass 277. Hinge including means by which the force exerted by the resiliently deformable element to swing the hinged members* may be varied while the hinged members remain at a constant relative position about the hinge axis*.

299	Rotatable spring-engaging collar:
	This subclass is indented under subclass 298. Hinge including a cylinder or annulus which is connected to the resiliently deformable member and is rotated about the hinge axis* to vary the force exerted on the hinged members*.

300	Having detention aperture or protuberance:
	This subclass is indented under subclass 299. Hinge wherein the cylinder or annulus is held in adjusted position by a depression, hole, or projection which engages cooperating structure on the remainder of the hinge.

301	Having tool receiving aperture:
	This subclass is indented under subclass 299. Hinge wherein the cylinder or annulus has formed therein an opening into which is engaged a tool to turn the cylinder or collar.

[List of Patents for class 16 subclass 302]

302

Plural hinge axes (e.g., multiple pintle):

This subclass is indented under subclass 277. Hinge wherein the structure which swingably connects the two hinged members* defines two or more distinct axes about which the hinged members pivot relative to one another.

(1) Note. The pivotal movement may occur alternately about either axis or simultaneously about two or more axes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

282+,	for a double-acting hinge having plural hinge axes*.
287+,	for a hinge having plural hinge axes* and biased by a coil oriented transversely to a hinge axis*.
294,	for a hinge having plural hinge axes* and provided with an over-center travelling spring or linkage.

[List of Patents for class 16 subclass 303]

303

Having axially biased camming surface:

This subclass is indented under subclass 277. Hinge wherein an elastically deformable element is arranged to force a first surface associated with a hinged member* in a direction along or parallel to the hinge axis* toward a second surface, wherein the curvature of one of the surfaces results in pivotal movement of the hinged member about the hinge axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284,	for similarly operated hinges in which a hinged member* is biased from either side of an equilibrium position toward the position.

[List of Patents for class 16 subclass 304]

304

Coil:

This subclass is indented under subclass 277. Hinge wherein the resiliently deformable element comprises a helix or a flat spiral.

SEE OR SEARCH THIS CLASS, SUBCLASS:

280+,	for a double-acting spring hinge which employs a torsion coil spring.
286+,	for a hinge having a helical spring arranged transversely to the hinge axis.

[List of Patents for class 16 subclass 305]

305

Plural coils:

This subclass is indented under subclass 304. Hinge including two distinct helices or flat spirals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

282+,

for a double-acting spring hinge employing two spaced hinge axes with a coil spring associated with each axis.

[List of Patents for class 16 subclass 306]

306

To counterbalance weight of hinged member (e.g., horizontal closure biased to open position):

This subclass is indented under subclass 304. Hinge wherein the torsion of the elastically deformable helix or flat spiral is arranged to offset the weight of a hinged member* as the member is swung about the hinge axis*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

289+,

for a hinge in which the weight of a hinged member* is offset by compression or extension of a helical spring oriented transversely to the hinge axis*.

307	On pintle:
	This subclass is indented under subclass 304. Hinge including a hinge pin* and wherein the helical spring or flat spiral is placed about the hinge pin.

308	Torsion spring:
	This subclass is indented under subclass 277. Hinge wherein the resiliently deformable element comprises a length of material the end portions of which are relatively twisted in opposite directions about its axis or its length, wherein the force tending to restore the length of material to its original state is employed to pivot a hinge member* about the hinge axis*.

[List of Patents for class 16 subclass 309]

309

Gravitating hinge having vertical axis:

This subclass is indented under subclass 221. Hinge wherein all or a portion of a hinged member* moves upwardly along a substantially vertical hinge axis* as it is swung about said axis in one direction, wherein the resulting potential energy is utilized to swing said hinged member in the opposite direction about the hinge axis to thereby return the hinged member to its original position.

SEE OR SEARCH CLASS:

49,	Movable or Removable Closures, subclasses 236+ for gravity actuated closures.

310	Having lift rod:
	This subclass is indented under subclass 309. Hinge including an elongated rigid element connected at one end to a first hinged member* and at the other end to a second hinged member for raising the first hinged member as it is swung in one direction about the hinge axis*.

311	Having plural spaced hinge axes:
	This subclass is indented under subclass 309. Hinge wherein the structure swingably connecting the hinged members* defines two or more distinct axes about which the hinged members pivot.

[List of Patents for class 16 subclass 312]

312

Including cam surface and follower:

This subclass is indented under subclass 309. Hinge including a sloped or curved surface fixed with respect to one hinged member* and a follower associated with a second hinge member and engaging the sloped or curved surface, whereby relative swinging movement of the hinged members results in the lifting of one hinged member relative to the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284,	for a hinge which is biased in either direction by a resiliently biased cam surface.
303,	for a hinge which is biased in one direction only by a resiliently biased cam surface.

313	And rolling element:
	This subclass is indented under subclass 312. Hinge wherein the follower associated with the second hinged member* comprises an element rotatable about an axis and which has rolling contact with the sloped or curved surface.

314	Between opposing surfaces:
	This subclass is indented under subclass 313. Hinge wherein the rotatable element is confined to travel between two facing sloped or curved surfaces defining a path therebetween.

[List of Patents for class 16 subclass 315]

315

And detent in cam surface:

This subclass is indented under subclass 313. Hinge wherein the vertically sloped or curved surface includes a discrete depression, hole, or protuberance adapted to be engaged by the follower to fix the relative position of the hinged members* about the hinge axis*.

(1) Note. The detent must be in addition to the valley or trough between oppositely sloped surfaces of a double-acting gravitating hinge.

316	On axially twisted or helically fluted element:
	This subclass is indented under subclass 312. Hinge wherein the vertically sloped or curved surface is formed on an elongated element oriented along the hinge axis*, and having helical convolutions about its longitudinal axis.

317	Including means to hold hinged members against pivotal movement:
	This subclass is indented under subclass 312. Hinge including means to secure the hinge members* to prevent any swinging of the hinged members relative to one another.

318	Having aperture for slidably receiving pintle (e.g., camming knuckle):
	This subclass is indented under subclass 312. Hinge wherein the vertically sloped or curved surface surrounds an opening through which a hinge pin* is guided for sliding movement as one hinge member* moves up or down relative to the other.

[List of Patents for class 16 subclass 319]

319

Including means to hold or retard hinged members against pivotal movement(e.g., catch):

This subclass is indented under subclass 221. Hinge including either means to secure the hinged members* to prevent any swinging or means for producing a drag and thereby preventing the members from swinging freely about the hinge axis*.

(1) Note. The members must be secured against swinging movement in both directions, i.e., an abutment stop, per se, is excluded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292,	for a hinge biased by a transverse helical spring and having a catch.
297,	for a spring hinge having a catch.
317,	for a gravitating hinge having a catch.
374+,	for a hinge having a stop or abutment.

SEE OR SEARCH CLASS:

292,	Closure Fasteners, appropriate subclasses for a device for securing a closure element in closed or adjusted position, and not associated with hinge structure.
403,	Joints and Connections, subclass 84 for articulated members which are lockable at selected angles.

320	Magnetic:
	This subclass is indented under subclass 319. Hinge wherein a magnetic field is employed either to secure or to produce a drag upon the hinged members*.

[List of Patents for class 16 subclass 321]

321

Resiliently biased catch:

This subclass is indented under subclass 319. Hinge having means to secure the hinged members* in a specific relative position about the hinge axis*, the means including two cooperating elements or portions, and elastically deformable means which acts to move or force one of the elements or portions relative to the other to hold the hinged members in the specific position.

(1) Note. A portion of the elastically deformable means (spring) may serve as a cooperating portion.

(2) Note. A resiliently biased friction pad by which the hinged members may be fixed at any position during their swing about the hinge axis is excluded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

337+,

for a hinge having a friction drag or a resiliently biased friction pad as specified in (2) Note above.

322	Having spring force adjustment:
	This subclass is indented under subclass 321. Hinge including means by which the force exerted by the elastically deformable means to move the two elements or portions may be varied.

323	Including toggle linkage:
	This subclass is indented under subclass 321. Hinge including two elements pivotally connected to one another, and respectively pivoted at spaced points to other hinge structure, the elements being resiliently biased whereby pivotal movement of the elements fixes the hinged members* in position about the hinge axis*.

324	Having discrete manipulatable release means (e.g., lever):
	This subclass is indented under subclass 321. Hinge having means, individually distinct from the two elements or portions, adapted to be engaged by an operator and which effects relative movement between the two elements or portions to free the hinged members* for swinging movement about the hinge axis*.

[List of Patents for class 16 subclass 325]

325

Including cam or eccentric:

This subclass is indented under subclass 324. Hinge wherein the release means includes a rotatable member having a surface which is so arranged about the rotational axis as to slidably engage and cause a second member to be reciprocated.

(1) Note. The "second member" may or may not be one of the cooperating elements or portions.

326	Sliding release means or lever-actuated sliding catch:
	This subclass is indented under subclass 324. Hinge wherein either (a) the discrete release means is constrained to translate along a surface to effect relative movement between the two cooperating elements or portions, or (b) one of the cooperating elements or portions is constrained to translate along a surface into or out of engagement with the other cooperating element or portion, and an elongated pivoted member is included to engage the sliding element or portion and provide a mechanical advantage to cause the same to translate along the surface.

327	Sliding:
	This subclass is indented under subclass 321. Hinge wherein one of the cooperating elements or portions comprises a part which is individually distinct from the elastically deformable means and is constrained to translate along a surface into or out of engagement with the other cooperating element or portion.

328	Movement along or parallel to hinge axis:
	This subclass is indented under subclass 327. Hinge wherein the two cooperating elements or portions are biased to move relative to one another in the direction of the hinge axis*.

[List of Patents for class 16 subclass 329]

329

Interdigitated or plural sockets:

This subclass is indented under subclass 328. Hinge wherein one of the cooperating elements or portions includes a series of protuberances or recesses which are adapted to intermesh with or be engaged by cooperating structure on the other element or hinge portion.

(1) Note. The hinged members* are correspondingly held in one of a plurality of positions about the hinge axis*.

330	Opposed interdigitated sliding collars on hinge axis:
	This subclass is indented under subclass 329. Hinge wherein the cooperating elements comprise two substantially annular or cylindrical portions whose axes coincide with the hinge axis*, along which the cooperating elements are constrained to translate toward and away from each other, wherein cooperating protuberances and recesses are provided on an axial face of each annular or cylindrical portion.

331	And catch receiving socket:
	This subclass is indented under subclass 328. Hinge wherein one of the cooperating elements or portions includes a hole or depression which is adapted to receive the other element or portion to hold the hinge members* against pivotal movement about the hinge axis*.

332	And catch receiving socket:
	This subclass is indented under subclass 327. Hinge wherein one of the cooperating elements or portions includes a hole or depression which is adapted to receive the other element or portion to fix the hinge members* against pivotal movement about the hinge axis*.

[List of Patents for class 16 subclass 333]

333

Pivoted:

This subclass is indented under subclass 321. Hinge wherein one of the cooperating elements or portions is mounted on the hinge for swinging movement about a pivot axis, wherein the elastically deformable means acts to swing said element or portion about its pivot axis into engagement with the other cooperating element or portion.

SEE OR SEARCH CLASS:

292,	Closure Fasteners, subclasses 219+ for a spring projected, pivoted bolt.