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CLASS 49,	MOVABLE OR REMOVABLE CLOSURES
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SECTION I - CLASS DEFINITION

This is the residual class of closures, which are movable or removable, and of ancillary devices not elsewhere classifiable.

SECTION II - NOTES TO THE CLASS DEFINITION

SECTION III - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS

Class 49 is superior to Class 160 and will take a flexible closure panel under the following conditions:

(1) An impact absorbing flexible barricade as set forth in Class 49, subclass 9.

(2) A flexible movable closure combined with an animal blocker, repeller or chaser. See Class 49, subclasses 58+.

(3) Plural flexible movable closures on opposite sides of an independently movable or removable center post. See Class 49, subclass 365.

(4) When the closure does not depend upon its flexibility for movement, e.g., a flexible panel within a rigid frame which is mounted for movement, and is not provided for in the Class 160 schedule.

See subclass 445, for the line between the counterbalances in this subclass and the counterbalances in Class 16, Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, etc.).

(A) Certain classes take closure combinations where only so much of the closure is claimed as pertains to the subject matter of the class noted. See Class 16, subclass 193, and Class 49, subclass 445, for the lines between the counterbalances in the two subclasses. Also see References to Other Classes, below, for specific Class citations.

(B) Certain classes take a closure claimed as the load by name only or in general terms. See References to Other Classes, below, for specific Class citations.

CLOSURES IN OTHER CLASSES

(A) Art devices having a closure as a part of the combination are classified for the most part with the particular art. The following notes mention some such art combinations, but no attempt has been made to mention all. An attempt has, however, been made to list all classes and subclasses for closures, per se.

(B) Dispensing

Closures constructed for dispensing, specially related to receptacles or containers to assist to promote dispensing, or combined with other dispensing structure have (for the most part) not been listed. In some instances, dispensing structures and/or closures having structure closely related to nondispensing closure structures, have been listed. For such devices, see the appropriate dispensing classification, Class 222, Dispensing, being the generic class, and see the notes in that class for the distribution of dispensing art.

(C) Valves

Valve type closures are not here listed; see References to Other Classes, below, for specific citations to the main classes for valves.

(D) Other categories of closures in References To Other Classes include:

Firearms, Ordnance and Ammunition;

Furnace and Heating Classes;

Receptacle, Building Structure and Vehicle Body Classes; and

Miscellaneous classes, not above mentioned, that have closures combined with other things, closures, per se, devices used with closures and devices not used as closures but having analogous structure, considered worth noting.

SECTION IV - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

SECTION V - GLOSSARY

ACTUATOR

(See OPERATOR) The force input means to the closure for imparting movement thereto, e.g., an operator. The term is broader than "operator" since a handle which does not move relative to the closure is considered an actuator.

BARRIER

A construction forming an extended indefinite surface preventing or inhibiting the passage of persons or things, e.g., wall, ceiling, floor, roof or cover.

CABLE

A flexible connector such as a rope, chain or the like.

CLOSURE

A closure is an obstructive structure whose presence in or before a passage bars traffic through the passage. The character of passage varies depending on the thing or things the passage is intended to accommodate. For example, a single rod across a doorway prevents passage of a person but not a small animal; a letter slot permits passage of a letter but not a large package, a window sash permits passage of light but not air, a shutter permits passage of air but restricts the passage of light.

LEVER

An elongated rigid arm which is pivoted at least one point along its length.

LINK

A type of lever which is pivoted at two or more points along its length, usually at its extremities.

MOTOR DRIVEN OR ACTUATED

A powered means such as a motor or engine utilized as the moving force or input of the operator. A mere spring is not a powered means, but a motor having a spring as the source of power is included within the meaning of the term defined.

MOVABLE CLOSURE

A closure mounted to move in a regular, repetitive, predetermined path with respect to a passage so as to alternately open or close the passage.

MULTIDIRECTIONAL MOVEMENT

Motion along two or more distinct lines of travel or about two or more axes of rotation or a combination thereof, in a single operation.

OPERATOR

A manipulatable mechanical means, movable relative to the closure, for imparting movement to the closure relative to its mounting means, in its opening or closing movement. A mere spring which effects the movement of the closure, for example, by utilizing the stored energy to return the closure to starting position, is not included within the meaning of this term.

PANEL

A sheet-like member which is a section of a closure structure.

PORTAL

Structure defining an opening through a barrier for the passage of persons or things, e.g., the framing of a door or window opening.

REMOVABLE CLOSURE

A closure which is mounted so as to be readily physically disassociated from its supporting structure to form a passage.

RECTILINEAR MOVEMENT OF CLOSURE

Straight line motion in opposite directions, such as up and down, right and left, to open or close a passage.

SLIDING MOVEMENT OF CLOSURE

Rectilinear motion which is constrained by stationary guides on the supporting member(s).

SLIDE-STILE

An elongated member extending along the edge of a closure in opposition to a portal frame member, e.g., jamb, and connectable to the closure for sliding therewith.

SWINGING MOVEMENT OF CLOSURE:

A turning motion about a pivot to open or close a passage.

SUBCLASSES

1	THERMAL RELEASER OR ACTUATOR:
	This subclass is indented under the class definition.  Device provided with means for retaining a closure in a desired position, or with means for imparting movement to the closure, said means including a device which when under the influence of heat will release the retaining means or set in motion actuating means to permit or cause the closure to move to a different position. SEE OR SEARCH CLASS: 16,  Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, etc.),   subclass 48.5 for a thermally released door check or closer. 52,  Static Structures (e.g., Buildings),   for a static structure with a reactive component, e.g., meltable section. 109,  Safes, Bank Protection, or a Related Device,   subclass 33 for a bank protection device with thermally controlled fluent material means. 116,  Signals and Indicators,   subclasses 101+ for thermal alarms. 126,  Stoves and Furnaces,   subclass 287.5 for a thermally released damper. 137,  Fluid Handling,   subclasses 72+ for valves controlled by a fusible or heat destructible element, and subclasses 79+, 457 and 468 for other heat responsive valves. 169,  Fire Extinguishers,   subclasses 56+ for condition responsive controls in special applications, subclass 19 for automatic valves, subclasses 37+ for sprinkler heads, and subclass 42 for fusible connections. 222,  Dispensing,   subclass 54 for a thermally controlled dispensing device. 236,  Automatic Temperature and Humidity Regulation,   subclasses 32 and 33 for thermostats. 292,  Closure Fasteners,   subclass 144 for thermally operated sliding bolts and subclass 201 for thermally operated swinging bolts. 337,  Electricity: Electrothermally or Thermally Actuated Switches,   subclasses 298+ for thermally controlled electrical switches. 361,  Electricity: Electrical Systems and Devices,   subclasses 103+ for thermally controlled (e.g., fusible) circuit interruption. 454,  Ventilation,   subclass 28 for a thermally released outlet cowl and subclass 369 for thermally actuated fire dampers used in ventilating systems.

2	Nonfusible:
	This subclass is indented under subclass 1.  Device wherein the heat responsive device returns to its original shape and position when the heat of actuation is removed, and reacts cyclically upon the reapplication of heat, as distinguished from meltable elements, such as fusible links, which must be replaced after each use. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 6 for a nonfusible thermal initiator for the automatic control of a closure of that class.

3	Common fuse releases closures for plural openings:
	This subclass is indented under subclass 1.  Device provided with a plurality of closures for a plurality of openings and wherein a single thermally responsive device, releases all of the closures, e.g., separate fusible means for each closure arranged so that the fusing of any one of the fusible means will permit all closures to be released. SEE OR SEARCH THIS CLASS, SUBCLASS: 5, for plural sliding closures for a single opening wherein the closures are counter-balanced by each other, and wherein a single thermally responsive device releases all closures.

4	Pull cable with fusible connection:
	This subclass is indented under subclass 1.  Device wherein the retaining means includes a cable which is grasped by hand to move the closure, e.g., against gravity or a biasing means, and wherein thermally responsive device will release the cable and permit the closure to return. SEE OR SEARCH THIS CLASS, SUBCLASS: 347, for a one direction pull cable actuator for a closure.

5	Terminates counterweight condition:
	This subclass is indented under subclass 1.  Device wherein the retaining means includes a counterweight which counteracts the weight of the closure, and wherein the thermally responsive device includes means which disturbs the balance of the counterweight and closure, e.g., devices in which the weight of one closure balances the weight of another. SEE OR SEARCH THIS CLASS, SUBCLASS: 119, for closures interconnected for opposed concurrent movement in which one closure counter-balances the weight of the other.

6	Overbalanced by released weight supplementing counterweight:
	This subclass is indented under subclass 5.  Device wherein the thermally responsive device releases a weight which, together with the counterweight, overcomes the weight of the closure to move it.

7	Fusible closure latch or retainer:
	This subclass is indented under subclass 1.  Device wherein the retaining means holds the closure in a desired position, and wherein the device melts to release the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 503, for a closure panel modified to receive a latch or lock, and see the search notes thereto for the loci of closure latches.

8	Fusible connector disengages pawl or catch:
	This subclass is indented under subclass 7.  Device wherein the retaining means includes a locking device provided with a holding detent, and means to withdraw or permit it to withdraw from its holding position upon melting of the fusible means to release the closure.

9	IMPACT ABSORBING FLEXIBLE BARRICADE:
	This subclass is indented under the class definition.  Device comprising a flaccid or resilient closure supported in closed position by a yieldable means, so that the inertia of a moving object striking the closure is absorbed and the object is slowed or stopped. (1) Note. Included here are highway barricades placeable before bridges, chasms and crossings to selectively bar traffic thereto. SEE OR SEARCH THIS CLASS, SUBCLASS: 34, for a flexible closure which distorts in its opening or closing movement. 192+, for a railroad crossing gate, normally swinging in a vertical plane between open and closed positions and movable about a vertical axis in its closed position, e.g., when struck by a vehicle attempting to use the barred passage. 460+, for a protector which guards a closure against damage. SEE OR SEARCH CLASS: 109,  Safes, Bank Protection, or a Related Device,   subclasses 64+ for safe and bank closures constructed to absorb attacks of force. 244,  Aeronautics and Astronautics,   subclasses 110+ for airplane landing arresting gear.

10	FLOOD ACTUATED:
	This subclass is indented under the class definition.  Device wherein the closure is mounted in or adjacent a stream bed to extend thereacross and to impede passage of objects therethrough, and wherein the closure is opened by the presence of abnormal amounts of water, e.g., flood stage. SEE OR SEARCH THIS CLASS, SUBCLASS: 21, for a closure released for movement or directly actuated by an ambient fluid, e.g., rain or snow. 131, for a closure pivoted adjacent its lower edge so that in open position it lies upon or below the surface upon which it is mounted. SEE OR SEARCH CLASS: 256,  Fences,   subclass 13 for fence panels which are not mounted for movement, but are particularly adapted for use on shores or in beds of streams. 405,  Hydraulic and Earth Engineering,   subclasses 87+ for gates or closures adapted to regulate the height of a water level.

11	Float or vane controlled latch release:
	This subclass is indented under subclass 10.  Device provided with a means which is responsive to a rise in the height of the water in the stream or to an increase in the velocity of the stream to release means holding the closure in closed position.

12	Axially pivoted picket pole:
	This subclass is indented under subclass 10.  Device comprising a shaft having bars or rods projecting therefrom to form a barrier, and wherein the shaft is mounted to turn about an axis parallel to the axis of the shaft.

13	CLOSURE CONDITION SIGNAL OR INDICATOR:
	This subclass is indented under the class definition.  Device comprising a means acting only to produce a perceptible, e.g., audible or visual manifestation of a position of a closure. SEE OR SEARCH CLASS: 109,  Safes, Bank Protection, or a Related Device,   subclass 38 for a device of that class combined with a signal or indicator, particularly subclass 43 for one which is initiated by closure movement. 116,  Signals and Indicators,   subclass 85 for closure operated burglar alarms, i.e., alarms to announce unauthorized attempts to use the closure-barred opening, and subclass 100 for structurally installed closure operated alarms to indicate the presence of a visitor, or combined with a fire alarm box to give a local alarm when the box closure has been opened, e.g., to actuate the fire alarm. 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 10 for a signal or indicator combined with a closure of that class. 200,  Electricity: Circuit Makers and Breakers,   subclass 61.62 for a closure or closure operator actuated switch, e.g., to actuate a signalling circuit. 340,  Communications: Electrical,   subclasses 545.1+ for electrical communications, e.g., alarm, automatically responsive to the condition of a closure.

14	Indicator at remote station:
	This subclass is indented under subclass 13.  Device wherein the signalling means is located at a place removed from the closure to indicate its position to a nonuser of the passage closed. SEE OR SEARCH CLASS: 340,  Communications: Electrical,   subclasses 517+ for electrical indicating systems responsive to a plurality of sensed conditions; subclasses 524+ for same with position of the condition indicator; subclasses 531+ for electrical condition responsive system where the sensed condition is at a remote location and there is a particular coupling link; and subclasses 545.1+ for electrical condition responsive indicating systems automatically responsive to door or window movement.

15	JAIL-TYPE CLOSURE WITH REMOTE CONTROL STATION:
	This subclass is indented under the class definition.  Device comprising a closure for a detention area, and means for moving or restraining the movement of the closure; which means is operable at a point at a distance from the closure and which point is inaccessible to a person having direct access to the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 14, for a closure having means at a remote location to indicate the position of the closure.

16	Additional key or combination control of individual closure:
	This subclass is indented under subclass 15.  Device comprising a plurality of closures and a closure restrainer on each closure, which restrainer requires a specially contrived, insertable implement, or a prearranged secret or nonpublic order of movement of elements in order to be operated. SEE OR SEARCH THIS CLASS, SUBCLASS: 24, for other closures, each with an individual control, and a remote master control.

17	Enclosure for remote control:
	This subclass is indented under subclass 15.  Device comprising a box or casing containing the distant control means. (1) Note. The enclosure may usually be separately locked.

18	Motor operated control:
	This subclass is indented under subclass 15.  Device comprising a motor actuator, i.e., powered means, other than a mere spring for the mover or restrainer of the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 334, for a motor driven coaxial operator and see the search notes thereto for the loci of other motor driven closures.

19	Rotary gang bar:
	This subclass is indented under subclass 15.  Device comprising a bar extending along a plurality of closures and rotatable along its longitudinal axis to operate two or more of the closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 97, for a rock shaft interconnecting closures in spaced openings along a barrier.

20	Ganged closures with selector means:
	This subclass is indented under subclass 15.  Device comprising a means to control two or more closures conjointly, and provided with additional means to selectively couple a closure to the control means. SEE OR SEARCH THIS CLASS, SUBCLASS: 98, for closures interconnected for concurrent movement one of which closures is also capable of independent movement.

21	RESPONSIVE TO OR DIRECTLY ACTUATED BY AMBIENT FLUID:
	This subclass is indented under the class definition.  Device provided with (1) means which react to the presence or motion of a fluid in the surrounding atmosphere to move or permit movement of a closure, or (2) a means connected to the closure and movable by ambient fluid to move the closure. (1) Note. Included in this subclass are storm doors having relief vents for relieving the air pressure or vacuum between the storm door and the exterior house door. (2) Note. The word "ambient" is intended to exclude the fluid of a fluid motor operator, which operators are classified below, for example, in subclass 324. SEE OR SEARCH THIS CLASS, SUBCLASS: 10, for a stream spanning closure responsive to the amount or velocity of water in the stream, especially subclass 11 for a float controlled operator or latch release for such a closure. 89, for a louver closure biased to an open position in which the surface of the louvers is exposed to the action of a fluid, such as air or rain, which acts in opposition to the biasing means. 386, for a swinging closure which is counterbalanced to a desired position, and wherein the surface of the closure is exposed to the action of a fluid, such as air, against action of the counterbalance. SEE OR SEARCH CLASS: 114,  Ships,   subclass 118 for a bulkhead door which automatically closes on the entry of water to a certain height. 116,  Signals and Indicators,   subclass 69 for alarms actuated by the fall of rain, and subclass 70 for alarms actuated by a variation in fluid pressure. 137,  Fluid Handling,   subclass 388 for a liquid level responsive device which excludes an external liquid from a gas inlet or outlet such as a shipboard ventilator. 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 5 for rain actuated initiations for closures of the type found in that class. 200,  Electricity: Circuit Makers and Breakers,   subclass 61.04 for a liquid or moisture responsive circuit maker or breaker.

22	Fluid softenable or soluble latch release:
	This subclass is indented under subclass 21.  Device comprising a means to hold a closure against the action of gravity or a biasing means, and wherein one of the elements of the holding means is of a material which is dissolved or weakened by a fluid, such as water, so that the holding means becomes inoperative in the presence of the fluid.

23	Water accumulator-type:
	This subclass is indented under subclass 21.  Device wherein the fluid reacting means includes a collector for water, e.g., a rain trap, so that the means is responsive to a predetermined amount or to the rate of increase of the fluid.

24	WITH MASTER CONTROL FOR INDIVIDUALLY CONTROLLED CLOSURES:
	This subclass is indented under the class definition.  Device comprising a plurality of closures, each having a means to effect, prevent or permit movement of its closure, and a separate common means to effect, permit or prevent movement of all of the closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 16, for jail type closures having individual controls and a remote master control. SEE OR SEARCH CLASS: 105,  Railway Rolling Stock,   subclass 341 for a railway passenger car having entrance and exit closures, controlled individually, and jointly through a master control.

25	RADIANT ENERGY CONTROL:
	This subclass is indented under the class definition.  Device comprising means to sense the transmission of wave energy through natural media, and means responsive to the sensing means to impart to or permit movement of a closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 1+, for a closure with thermal release means. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 5 for a closure of that class responsive to variations in light intensity. 250,  Radiant Energy,   subclasses 336.1+ for a device for the detection and measurement of invisible radiation and subclasses 206+ for photocell controlled circuits. 307,  Electrical Transmission or Interconnection Systems,   subclass 117 for a closure motor switching system controlled by radiant energy. 318,  Electricity: Motive Power Systems,   subclass 16 for an electric closure motor controlled by a space transmitted electromagnetic or electrostatic energy, and subclasses 445+ for an electric closure motor controlled by other radiant energy sources. 361,  Electricity: Electrical Systems and Devices,   subclasses 173+ for a closure controlling relay responsive to radiant energy.

26	SAFETY MEANS RESPONSIVE TO OBSTRUCTION TO CLOSURE:
	This subclass is indented under the class definition.  Device wherein an element of a closure moving means has provision for discontinuing, reversing or preventing the application of a moving force to the closure if the closure meets abnormal resistance or is subjected to a force in a different direction. (1) Note. Included in this subclass are closures having a moving means which includes an overload responsive coupling which continues to urge the closure to a closed position, and which moves the closure in this direction upon the removal of the obstruction. SEE OR SEARCH THIS CLASS, SUBCLASS: 141, for a closure having means to permit its emergency release. 192, for a crossing gate movable vertically to block a passageway, and additionally yieldably movable horizontally when struck by a vehicle using the passageway.

27	Sensing shoe on leading edge:
	This subclass is indented under subclass 26.  Device comprising a member yieldably mounted on the leading edge of the closure, and wherein means are provided, which upon relative movement of the member and closure, detects the presence of the abnormal resistance or force in a different direction. SEE OR SEARCH CLASS: 200,  Electricity: Circuit Makers and Breakers,   subclass 61.43 for a sensitive edge closure switch.

28	Closure drive stopping or reversal:
	This subclass is indented under subclass 26.  Device wherein the closure moving means ceases to urge the closure to a closed position, or moves the closure in an opposite direction, when the closure meets the abnormal resistance.

29	TIME CONTROLLED:
	This subclass is indented under the class definition.  Device provided with a means for measuring or determining a time interval or lag, and which imparts to or permits movement of the closure after a predetermined interval or at a specified time. SEE OR SEARCH CLASS: 74,  Machine Element or Mechanism,   subclasses 3.5+ for a trip releasable at a particular time or after a predetermined interval.

30	Predetermined delay governs start of closure movement:
	This subclass is indented under subclass 29.  Device wherein the means detains the closure in its open position for a preselected period of time before imparting or permitting closing movement, e.g., cyclically operated closures which, after a movement initiation; open, delay, and then close. SEE OR SEARCH THIS CLASS, SUBCLASS: 138, for a closure having a means to vary its speed during closing movement.

31	CONDITION RESPONSIVE CONTROL:
	This subclass is indented under the class definition.  Device comprising a means to sense a condition or change of condition, and means responsive to the sensing means to effect a control on a closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 43, for means acting continuously to control the rate of motion of a revolving closure. 262, for an actuator, moved by the passage of a closure user to or through a closure opening. 263+, for an operator actuated by the weight of a closure user. 322, for a safety catch, operable upon breakage of a closure support to prevent falling of the closure. SEE OR SEARCH CLASS: 105,  Railway Rolling Stock,   subclass 349 for railway car closures automatically actuated upon the occurrence of an emergency condition, such as the overturning of the car.

32	INITIAL MANUAL DISPLACEMENT ENERGIZES MOTOR DRIVE; E.G., TOUCH PLATE INITIATOR:
	This subclass is indented under the class definition.  Device provided with a motor, i.e., power input means other than a mere spring, responsive to initial manual movement of the closure or a closure actuator in one direction, to drive the closure in the same direction. SEE OR SEARCH THIS CLASS, SUBCLASS: 276+, for an operator which imparts an initial opening movement to a closure and then disengages to permit the opening to be concluded by other means.

33	CLOSURE SHIFTABLE TO PIT OR OBSTACLE BRIDGING POSITION:
	This subclass is indented under the class definition.  Device comprising a traffic path including an impediment to traffic in the form of a hole or cavity in the path, and including means movable to cover the hole or cavity to provide a passageway thereover, a pit is usually acting to prevent the passage of animals and therefore may take the place of a gate in a fence. SEE OR SEARCH THIS CLASS, SUBCLASS: 37, for a closure which converts to a gangway. 131+, for a closure which moves to an inoperative position flush with the ground. SEE OR SEARCH CLASS: 14,  Bridges,   subclasses 31+ for a draw bridge, and particularly subclasses 50+ for an interrelated draw bridge and gate. 404,  Road Structure, Process, or Apparatus,   subclass 23 for a pavement with removable light admitting means and subclasses 25+ for a pavement with a vault cover-closure.

34	DISTORTABLE; E.G., FLEXIBLE STRAND-TYPE BARRICADE:
	This subclass is indented under the class definition.  Device comprising a closure having flexible parts or joints which permit the shape of the closure to be altered in opening and closing; e.g., to fit the opening or to effect a tight seal, including a barricade consisting of a single, resilient bar. SEE OR SEARCH THIS CLASS, SUBCLASS: 9, for an impact absorbing closure which distorts on impact. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   appropriate subclasses, for a closure comprising a flexible panel, particularly subclasses 327+ for a nonframed plural edge held fabric panel which is distorted when released for movement.

35	CHECK OR KEY CONTROLLED:
	This subclass is indented under the class definition.  Device including a means responsive to the insertion of a coin, check or key, for operating or permitting the operation of the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 16, for a jail type closure with an additional key or combination control. SEE OR SEARCH CLASS: 70,  Locks,   subclasses 77+ for a lock for a closure and see the class definition of that class (70) for the definition of a key. 194,  Check-Actuated Control Mechanisms,   appropriate subclasses for a similar device in which the "coin controlled means" is claimed in detail, and see Lines With Other Classes in the class definition of that class (194) for the line.

36	CONTINUOUS CLOSURE OPENING IN INTERSECTING BARRIERS:
	This subclass is indented under the class definition.  Device wherein the opening extends on both sides of and through the line of juncture between a sidewall and a ceiling or roof or between two converging sidewalls, and wherein mating closures are provided, one for each barrier, or wherein a single closure is provided for the entire opening. SEE OR SEARCH THIS CLASS, SUBCLASS: 40, for a concave or convex closure for a similarly shaped opening. 94, for a separate opening in each of two converging surfaces and closures interrelated for concurrent movement for each opening.

37	CONVERTIBLE:
	This subclass is indented under the class definition.  Device wherein by reorientation of a closure or an adjunct thereof, there is formed another and different structure which if claimed alone would be classifiable in another class. SEE OR SEARCH THIS CLASS, SUBCLASS: 33, for a closure which is reoriented to bridge a pit or obstacle. 71, for a closure pivoted above an opening and movable from an awning forming position to a position overlying the opening to constitute a storm shutter. SEE OR SEARCH CLASS: 52,  Static Structures (e.g., Buildings),   subclasses 64+ for a barrier or major section mounted for repositioning.

38	REGISTERABLE OPENING IN FACIALLY OPPOSED CLOSURE AND BARRIER:
	This subclass is indented under the class definition.  Device provided with a passage blocking member having a plurality of openings spaced in the same plane, and further provided with a movable closure back to back with the member and having a plurality of spaced openings therein and movable while maintaining the back to back relationship, whereby a movement of the closure aligns or misaligns the openings in the closure with the openings in the passage blocking members. SEE OR SEARCH THIS CLASS, SUBCLASS: 95+, for a plurality of interconnected closures in spaced openings along a barrier. SEE OR SEARCH CLASS: 454,  Ventilation,   subclasses 196+ for a register-type ventilator combined with a window and subclasses 284+ for registers combined with heating or ventilating structure.

39	Radially positioned:
	This subclass is indented under subclass 38.  Device wherein the openings in the closure are spaced circumferentially about a common point and wherein the closure moves about the common point. SEE OR SEARCH THIS CLASS, SUBCLASS: 41, for arcuate closure which moves in a circular opening.

40	CONVEX OR CONCAVE CLOSURE AND OPENING:
	This subclass is indented under the class definition.  Device wherein the closure surface and the means defining an opening for the closure are arched or bulged. SEE OR SEARCH THIS CLASS, SUBCLASS: 42, for plural wing closures revolving about a center axis within an arc- shaped casing.

41	ARCUATE CLOSURE ROTATES ACROSS ARCUATE OPENING:
	This subclass is indented under the class definition.  Device comprising a closure having a curved edge surface, and a passage blocking member having an annular opening therein, and wherein said closure moves about an axis concentric with the axis of the opening. SEE OR SEARCH THIS CLASS, SUBCLASS: 39, for a radially movable closure for plural openings.

42	PLURAL WINGS RADIATE FROM COMMON PIVOT; I.E., REVOLVING:
	This subclass is indented under the class definition.  Device comprising a plurality of closures which are mounted to radiate from and rotate in the same direction about a common axis through an arc of 360° or more. SEE OR SEARCH THIS CLASS, SUBCLASS: 381+, for a closure mounted to swing about an axis, and especially subclasses 388+ for a swinging closure mounted on opposing frame members. SEE OR SEARCH CLASS: 109,  Safes, Bank Protection, or a Related Device,   subclass 8 for bank protection device which includes a plural-bladed revolving door. 235,  Registers,   subclass 93 for a turnstile operated register.

43	With speed regulator:
	This subclass is indented under subclass 42.  Device provided with means to govern or control the rate of revolution. SEE OR SEARCH THIS CLASS, SUBCLASS: 46+, for revolving closures having a means to limit the rotation to incremental steps, including means to slow down the closure just before a stop position. SEE OR SEARCH CLASS: 188,  Brakes,   subclasses 180+ for speed responsive to regulators, per se.

44	Wings fold for through passage:
	This subclass is indented under subclass 42.  Device wherein the wings are foldable from a radiating relationship to lie adjacent each other or to one side of the passageway out of a passage barring position, including "panic" type revolving doors in which the means holding the wings radially yield upon abnormal force to permit passage on both sides of the pivot at once.

45	Move laterally of opening:
	This subclass is indented under subclass 44.  Device wherein the wings are mounted to move to the side of the opening to clear the mid-portion of the passage.

46	Successive position-type; e.g., turnstile:
	This subclass is indented under subclass 42.  Device wherein are provided means to restrict rotation of the wings to one direction, and wherein after each pass-through portion of a revolution of a wing, a mechanism centers a succeeding wing in passage barring position. SEE OR SEARCH CLASS: 105,  Railway Rolling Stock,   subclass 341.5 for a railroad car entrance or exit control, including a turnstile.

47	Drop-arm type:
	This subclass is indented under subclass 46.  Device in which the wings are mounted to project outwardly in passage barring position when they complete rearward travel and to move inwardly or downwardly as they complete forward travel, so as to occupy a lesser plan area.

48	WITH SECTION FOR HAND SIGNALLING:
	This subclass is indented under the class definition.  Device wherein the closure is provided with a cut-out portion or a movably mounted section, openable to a size to permit a person to thrust his arm through the opening to give a signal, e.g., to a following vehicle. SEE OR SEARCH THIS CLASS, SUBCLASS: 146, for a closure adjustable as an entity while in the raised closed position to provide a vertical ventilating opening. 169+, for a closure with an independently movable wicket, and especially subclass 171 for a closure for a peep hole or letter slot.

49	WITH TRAFFIC DIRECTOR OR CONTROLLER; E.G., ONE-WAY:
	This subclass is indented under the class definition.  Device comprising a closure mounted to bar a passage, and further provided with means to either (1) guide or point out the course of travel through the passage, (2) restrict travel through the passage to only one direction, or (3) regulate the number of persons permitted through the passage, e.g., at the same time. SEE OR SEARCH THIS CLASS, SUBCLASS: 42+, for a revolving closure for directing or controlling traffic through a passage, especially subclasses 46+ for a turnstile. 68, for a passage which confines the path of travel of the user, and a series of closures for the passage, used successively by the traveler. SEE OR SEARCH CLASS: 105,  Railway Rolling Stock,   subclasses 341+ for a railroad car having an entrance or exit control. 222,  Dispensing,   subclass 483 for a discharge controller interrelated with the movement or position of a plurality of closures.

50	WITH PROTECTIVE GRILLE OR SAFETY GUARD:
	This subclass is indented under the class definition.  Device comprising (1) a main closure and an openwork panel overlying the main closure in back-to-back relationship, one of which is movable or removable, or (2), a movable or removable shield which blocks a passage vacated by a closure to prevent unlawful entry or accidental travel through the passage. SEE OR SEARCH THIS CLASS, SUBCLASS: 38+, for a single closure with spaced openings which register with the openings in a passage blocking member. 61+, for an auxiliary closure and see the search notes thereto for the loci of other back-to-back closures. SEE OR SEARCH CLASS: 52,  Static Structures (e.g., Buildings),   subclass 37 for a workman"s guard or support on or adjacent a portal frame, and subclass 208 for a grille or panel permanently mounted on a barrier adjacent a portal opening. 109,  Safes, Bank Protection, or a Related Device,   subclasses 11+ for movable protective shields for display partitions and counters. 454,  Ventilation,   subclasses 196+ for a window ventilator insertable in a passage vacated by a closure.

51	Facing interconnected movable louvers:
	This subclass is indented under subclass 50.  Device wherein the open-work panel overlies louver type closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 74.1+, for louver type closures, the definition thereof; and see the search notes thereto for the loci of other louver type closures. SEE OR SEARCH CLASS: 109,  Safes, Bank Protection, or a Related Device,   subclass 15 for bank protection devices which include movable louvers. 454,  Ventilation,   subclasses 313+ for a device for admitting air into a ventilated space which includes moveable louvers, subclasses 347+ for an air pump which exhausts air from a ventilated space and which may be associated with moveable louvers, and subclasses 358+ for a device which exhausts air from a ventilated space which may be associated with moveable louvers.

52	Closure operator extends through grille:
	This subclass is indented under subclass 50.  Device provided with a mechanical means movable relative to the closure for imparting movement to the closure which means extends through the openwork panel. SEE OR SEARCH THIS CLASS, SUBCLASS: 51, for an operator for louver type closures extending through a grille. 356, for a single lever push rod operator for a movable closure. SEE OR SEARCH CLASS: 454,  Ventilation,   subclasses 290 and 322+ for an operator extending through a register grille to impart movement to a pivoted valve combined with ventilating structure, e.g., air duct, air directing structure.

53	Swinging handle actuator:
	This subclass is indented under subclass 52.  Device provided with means applying a force to a closure and which includes a member which is adapted to be grasped by hand and moved in an arcuate path.

54	Carried by closure to vacated opening:
	This subclass is indented under subclass 50.  Device provided with means joining the grille or guard to a closure, wherein movement of the closure moves the grille or guard to the position in the opening vacated by the closure. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 102 for a flexible panel connected to and moved by a slidable rigid closure.

55	Adjustable to various size opening:
	This subclass is indented under subclass 50.  Device provided with means to adjust the grille or guard to fit openings of different widths or heights.

56	Moves relative to primary closure:
	This subclass is indented under subclass 50.  Device provided with means mounting the grille or guard for movement along a predetermined path with respect to the main closure.

57	Removable:
	This subclass is indented under subclass 50.  Device provided with means mounting the grille or guard so as to be readily physically disassociated from its supporting structure. SEE OR SEARCH THIS CLASS, SUBCLASS: 55, for a removable grille or guard adjustable to fit various size openings. 463+, for a removably mounted closure and see the search notes thereto for the loci of other removable closures.

58	WITH ANIMAL BLOCKER REPELLER OR CHASER:
	This subclass is indented under the class definition.  Device including a means to prevent or deter the use of the closure passage by animal life, or to frighten or repulse animal life away from the closure. (1) Note. The word "animal" includes mankind, insects and birds. (2) Note. With respect to the subject matter of this subclass, this class (49) is superior to Class 160, Flexible or Portable Closure, Partition, or Panel. Consequently, patents otherwise classifiable in Class 160 are placed here on the basis of the subject matter of this subclass. SEE OR SEARCH CLASS: 43,  Fishing, Trapping, and Vermin Destroying,   subclasses 58+ particularly subclasses 61 and 119 for a device for trapping and/or killing an animal, and subclasses 124+ for a device for killing animals. 52,  Static Structures (e.g., Buildings),   subclass 101 for an animal; blocking lateral projection, flap or scarer. 424,  Drug, Bio-Affecting and Body Treating Compositions,   appropriate subclass for a composition for repelling an animal, including an insect, e.g., moth repellent, etc.

59	Electrically charged:
	This subclass is indented under subclass 58.  Device in which the closure is supplied with an electric potential to shock an animal or person coming in contact therewith. SEE OR SEARCH CLASS: 43,  Fishing, Trapping, and Vermin Destroying,   subclass 98 for an animal trap having means to deliver a lethal or paralyzing electric shock to the animal, and subclass 112 for a device for electrocuting insects. 109,  Safes, Bank Protection, or a Related Device,   subclass 35 for a device of that class having an electrically charged surface. 256,  Fences,   subclass 10 for an electrically charged fence.

60	Actuated by closure movement:
	This subclass is indented under subclass 58.  Device provided with means interconnecting the closure and the blocker, repeller or chaser so that movement of the closure effects movement of the latter.

61	FACIALLY OPPOSED PRIMARY AND AUXILIARY CLOSURE FOR COMMON OPENING:
	This subclass is indented under the class definition.  Device comprising a main closure for an opening and an additional supplementary closure which overlies the main closure in a back-to-back relationship in their operative closed position, one of which closures is movable or removable. SEE OR SEARCH THIS CLASS, SUBCLASS: 50+, for a grille, face to face with a closure, or a guard occupying a passage vacated by the closure and adapted to prevent unlawful entry or unintentional travel through the passage. 68, for a plurality of closures spaced at intervals along a course of travel. 125+, for plural closures for a single opening which move to an inoperative position overlying one another in back-to-back relationship. SEE OR SEARCH CLASS: 52,  Static Structures (e.g., Buildings),   subclasses 202+ for an auxiliary shield attached to a main panel, barrier, or frame. 160,  Flexible or Portable Closure, Partition, or Panel,   subclasses 90+ for facially opposed primary and screened auxiliary closures.

62	Auxiliary movable or removably mounted on primary:
	This subclass is indented under subclass 61.  Device in which the auxiliary closure is mounted on the main closure for movement thereon or so as to be readily, physically disassociated therefrom. SEE OR SEARCH THIS CLASS, SUBCLASS: 163+, for a closure movable independently of and with another closure. 463+, for a removable closure.

63	Auxiliary mounted for movement:
	This subclass is indented under subclass 61.  Device provided with means mounting the auxiliary closure for movement along a predetermined path of travel. SEE OR SEARCH THIS CLASS, SUBCLASS: 404+, for a closure mounted for reciprocating movement.

64	Of interconnected movable louvers:
	This subclass is indented under subclass 63.  Device wherein the auxiliary closure is a louvered closure of the type defined in subclass 74. SEE OR SEARCH THIS CLASS, SUBCLASS: 74.1+, for louver type closures, and see the search notes thereto for the loci of other louver type closures. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 104 for louvers facially opposing a flexible panel.

65	Connected for movement with primary:
	This subclass is indented under subclass 63.  Device provided with means mounting the main closure for movement and further provided with means joining the auxiliary closure to the main closure so that the auxiliary closure is carried by the main closure in its movement, or movement of the main closure effects a movement of the auxiliary closure on its mounting means. SEE OR SEARCH THIS CLASS, SUBCLASS: 54, for a safety guard carried by a main closure to a substitute position.

66	Sliding primary imparts swinging movement:
	This subclass is indented under subclass 65.  Device wherein the main closure is mounted for sliding movement and the auxiliary closure is mounted for swinging movement, and wherein the sliding movement of the main closure causes a swinging movement of the auxiliary closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 73, for a sliding closure and a swinging closure interconnected for concurrent movement.

67	Pivoted:
	This subclass is indented under subclass 63.  Device wherein the means mount the auxiliary closure for swinging movement. SEE OR SEARCH THIS CLASS, SUBCLASS: 381+, for a closure mounted for swinging movement.

68	SEQUENTIAL CLOSURES FOR PASSAGEWAY:
	This subclass is indented under the class definition.  Device comprising a course of travel which confines the user thereto, and a plurality of closures spaced at intervals along the course, and used in turn by the user passing from one end of the course to the other, e.g., an air shaft having a hatchway on successive floors or "air locks" from ambient to a special atmosphere. SEE OR SEARCH THIS CLASS, SUBCLASS: 49, for a closure in a passageway combined with a means to restrict the direction of travel or number of users. 50+, for a grille mounted face to face with a closure and mounted in the same opening. 61+, for two or more closures mounted face to face and occupying the same opening. 93, for interconnected closures on opposite approaches to a crossing.

69	MAIN CLOSURE ACTUATES SUPPLEMENTAL CLOSURE FOR TRACKWAY:
	This subclass is indented under the class definition.  Device having a main opening and adjacent and continuous therewith a small opening which is adapted to accommodate a conveyor track, closures for each opening, and wherein means are provided so that movement of the closure for the main opening imparts a movement to the closure for the other opening.

70	COMBINED:
	This subclass is indented under the class definition.  Device cooperatively united with an adjunctive second device, said second device, e.g., automatic control, having a function serving to perfect a movable closure for its intended purpose, other than being an ancillary device, e.g., operator, hinge, seal, for the movable closure. SEE OR SEARCH CLASS: 5,  Beds,   subclass 171 for a bed carried by a closure and shifted into position by movement of the closure. 182,  Fire Escape, Ladder, or Scaffold,   subclasses 77+ for a ladder combined with a door.

71	WITH SIDE PANELS; E.G., AWNING:
	This subclass is indented under the class definition.  Device comprising distinct wings on the side edges of the closures and angularly related to and movable therewith. SEE OR SEARCH CLASS: 52,  Static Structures (e.g., Buildings),   subclasses 64+ for a side winged barrier mounted for repositioning, such as a wall swingable from a vertical to nonvertical position, and subclasses 74+ for a fixed awning having side panels. 454,  Ventilation,   subclasses 196+ for air deflecting side panels fixed to the portal frame.

72	WINDOW POSITION OR MOVEMENT INTERRELATED WITH DOOR LATCH:
	This subclass is indented under the class definition.  Device comprising a first closure (door) mounted for movement, a second closure (window) mounted for movement on said first closure, a means for holding the first closure in position, a means for moving or sensing the location of the second closure, and a connection between the two means so that movement of one affects movement of the other. SEE OR SEARCH THIS CLASS, SUBCLASS: 73.1+, for closures interconnected for concurrent movement. 163+, for a window mounted on a movable closure and movable independently of the closure. 279+, for a closure operator interrelated with a closure latch release.

73.1	CLOSURES INTERCONNECTED FOR CONCURRENT MOVEMENT:
	This subclass is indented under the class definition.  Closures mounted for movement on independent mounting means and further provided with means joining said closures to each other so that movement of one of said closures affects a simultaneous movement of another. SEE OR SEARCH THIS CLASS, SUBCLASS: 66, for a sliding main closure which imparts swinging movement to an auxiliary closure. 69, for a main closure which actuates a supplemental track closure. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   appropriate subclasses for panel units interconnected for relative motion as defined in section III, class definition of Class 160.

74.1	Louver-type closures (e.g., slats or panels):
	This subclass is indented under subclass 73.1.  Closures which are superimposed or aligned panels mounted to swing together in the same direction for varying the angle, said panels form a plane or surface defined by the longitudinal terminal edges of said panels and wherein adjacent edges of the panels contact each other in the closed position to effect a closure between them. (1) Note. Included in this subclass is a shutter-type structure with movable fin-type members (i.e., panel) or window panes (i.e., transparent panel) e.g., jalousie-type. (2) Note. Included in this subclass are louvered closures which are mounted on a movable frame. SEE OR SEARCH THIS CLASS, SUBCLASS: 51, for louver-type closures face-to-face with a protective grille. 64, for louver-type auxiliary closures. 163+, for a closure movable independently of and with another closure. 371, for independently swinging louvers which bar a single opening. 403, for a clip for pivotally mounting a movable louver panel. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclasses 130+ for louver devices in which the slats are flexible, or in which the slats are interconnected to each other for relative movement, or in which the slats may be accumulated; i.e., moved toward each other to form a bunch or holding them so accumulated and see section III of the class definition of this class. 362,  Illumination,   subclass 325 for a projector screen having movable slats; e.g., louvers. 454,  Ventilation,   subclass 31 for louvers in combination with a fluid moving means (e.g., fan).

77.1	Distinct groups of louver-type closures:
	This subclass is indented under subclass 74.1.  Closures which are divided into sets with each set concurrently movable panels.

79.1	Manipulation of control louver panel connects or disconnects remaining louver panels:
	This subclass is indented under subclass 74.1.  Closures wherein the means uniting the panels include a mechanism for securing one of the panels to the remaining panels, whereupon movement of said one panel within a predetermined limit will operate the remaining panels concurrently, and further movement of said one panel will alternately disengage said mechanism to permit independent movement of said one panel and re-engage said mechanism for concurrent movement of all the panels.

80.1	Louver panels move sequentially or independently:
	This subclass is indented under subclass 74.1.  Closures wherein (1) one of the panels begins its movement in advance of another or (2) is capable of a movement which is separate and distinct from another member"s movement. SEE OR SEARCH THIS CLASS, SUBCLASS: 79.1, for a manipulatable control louver panel which connects and disconnects the remaining panels. 98+, for other closures with concurrent and independent movement. 103, for other interconnected closures with sequential movement.

81.1	Multidirectional louver panel movement:
	This subclass is indented under subclass 74.1.  Closures wherein the panels move either (1) along at least two lines or planes of travel; e.g., shift vertically and swing out, or (2) about two or more axes of travel, or (3) both in a single operation. SEE OR SEARCH THIS CLASS, SUBCLASS: 208+, for a closure mounted for multidirectional movement.

82.1	Geared, interconnector, or operator:
	This subclass is indented under subclass 74.1.  Closures wherein the (1) joining means between the panels or (2) operator for the closure joining means includes a rotatable body imparting or receiving motion or power from some other member by rolling contact. (1) Note. Included in this subclass are rotatable meshing toothed wheels, worm-type mechanism, rack and pinion-type mechanism, thrust bearing-type, or ratchet wheel. SEE OR SEARCH THIS CLASS, SUBCLASS: 107+, for a geared interconnector or operator for concurrently swinging closures. 335+, for an operator for a swinging closure which includes a gear coaxial of the closure pivot. 341+, for an operator for a swinging closure which includes a gear driven lever.

86.1	Cable, interconnector, or operator:
	This subclass is indented under subclass 74.1.  Closures wherein the (1) joining means between the panels or (2) operator for the panel joining means includes a flexible element such as a wire, rope or the like. SEE OR SEARCH THIS CLASS, SUBCLASS: 104, for a cable interconnecting swinging closures.

87.1	Operating system includes a handle:
	This subclass is indented under subclass 74.1.  Closures provided with an actuator which is grasped by the hand. SEE OR SEARCH THIS CLASS, SUBCLASS: 51, for a louver-type closure handle actuator which extends through a grille. 359, for an operator for a movably mounted closure which includes a lever actuator which is manually grasped.

89.1	Operating system includes biasing means:
	This subclass is indented under subclass 74.1.  Closures provided with a means to urge the panels in a desired direction or to a desired position; e.g., a spring or weight. SEE OR SEARCH THIS CLASS, SUBCLASS: 21+, for a louver closure biased to a desired position, and having means responsive to the presence of a fluid to move the closure against the action of the biasing means. 386+, for a biasing means for a swinging closure.

90.1	With position holder for operating system:
	This subclass is indented under subclass 74.1.  Closures with means in addition to an actuator or operator for maintaining the panels in a desired position. SEE OR SEARCH THIS CLASS, SUBCLASS: 87.1, for a position holder associated with a handle-type actuator. 503, for a closure panel modified to accommodate a latch or lock. SEE OR SEARCH CLASS: 292,  Closure Fasteners,   subclass 345 for blind slat holders.

91.1	With weather seal feature:
	This subclass is indented under subclass 74.1.  Closures provided with means acting at the juncture of two adjacent panels or between the mounting framework and panels to oppose the passage of fluid therebetween. (1) Note. Included in this subclass are devices wherein the panels are shaped to fit within or against a portion of the adjacent panel to provide a weather seal therewith. (2) Note. A mere overlap of planar surfaces is not considered "configured" within the meaning of this subclass. SEE OR SEARCH THIS CLASS, SUBCLASS: 475.1+, for a closure seal or striker gasket.

92.1	Specific louver structure:
	This subclass is indented under subclass 74.1.  Closures in which particular significance is attributed to the design of the panel.

93	Closures on opposite approaches to crossing:
	This subclass is indented under subclass 73.  Device wherein there is a first passageway intersecting the path of travel of a second passageway, e.g., a motor road and railroad with the concurrently movable closures being positioned in the path of travel at opposed accesses to the first passageway. SEE OR SEARCH THIS CLASS, SUBCLASS: 68, for successive closures along a passageway. 95, for interconnected closures on opposite barriers.

94	Closures on opposite or angularly related barriers:
	This subclass is indented under subclass 73.  Device provided with opposite or converging passage-blocking surfaces, e.g., wall and roof, each having an opening, and wherein a concurrently movable closure is mounted in an opening on each surface. SEE OR SEARCH THIS CLASS, SUBCLASS: 36, for a continuous opening in converging passage blocking surfaces, and having either a concurrently movable closure for each surface opening or a single closure for the entire opening.

95	Closures in spaced openings along barrier:
	This subclass is indented under subclass 73.  Device provided with an extended passage-blocking surface having a plurality of separate openings, and wherein a concurrently movable closure is mounted in each of the openings. SEE OR SEARCH THIS CLASS, SUBCLASS: 3, for closures in plural openings with a common fusible release. 15+, for jail type closures in spaced openings along a barrier. 24, for a master control for individually controlled closures. SEE OR SEARCH CLASS: 52,  Static Structures (e.g., Buildings),   subclasses 206+ for a wall with plural portals. 109,  Safes, Bank Protection, or a Related Device,   subclass 13 for a plurality of openings with protective shields.

96	Levers acting between interconnector and closures:
	This subclass is indented under subclass 95.  Device provided with an elongated, rigid, pivoted member joining each of the closures to the common means connecting all of the closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 353+, for an operating lever and closure which swing about parallel axes.

97	Rock shaft interconnector:
	This subclass is indented under subclass 96.  Device wherein the interconnector includes a shaft mounted for partial rotation along its longitudinal axis to impart movement to the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 19, for a plurality of jail type closures interconnected by a rotary bar.

98	One closure with complete independent movement:
	This subclass is indented under subclass 73.  Device wherein one of the closures is capable of a movement, to a limit of its travel, which is separate and distinct from its concurrent movement with another closure, e.g., one door opens completely without movement of the other. SEE OR SEARCH THIS CLASS, SUBCLASS: 20, for jail type ganged closures with means to selectively couple a closure to the gauge control. 79.1, for a control louver type closure which is alternately connected and disconnected to the remaining closures. 80.1, for interconnected louver type closures with concurrent and independent movements.

99	Counterbalancing closures with adjustable or detachable cable interconnector:
	This subclass is indented under subclass 98.  Device provided with a flexible chain, rope or the like joining the closures so that the weight of one closure assists in balancing the weight of the other closure, and wherein means are provided to lengthen, shorten or disconnect the cable to move or permit movement of the one closure independently of the other. SEE OR SEARCH THIS CLASS, SUBCLASS: 121, for a cable interconnector for counterbalancing closures. 347, for a pull type cable operator for a sliding closure.

100	Moves at different speeds:
	This subclass is indented under subclass 73.  Device wherein the means joining the closures moves one closure faster than another in their opening or closing movement; e.g., so that the closures may move different distances but arrive simultaneously at their limit of movement, and closures may move from a stacked open position on one side of the closure opening to an overlapped closed position.

101	Lever interconnected:
	This subclass is indented under subclass 100.  Device wherein the means joining the closures includes an elongated, rigid, pivoted arm. SEE OR SEARCH THIS CLASS, SUBCLASS: 359, for a lever actuator mounted on and moving a single closure.

102	Cable interconnected:
	This subclass is indented under subclass 100.  Device wherein the means joining the closures includes a cable, i.e., a flexible chain, rope or the like. SEE OR SEARCH THIS CLASS, SUBCLASS: 123, for a cable interconnecting oppositely moving closures, and see the search note thereto for the loci of other cable interconnectors.

103	Sequential movement:
	This subclass is indented under subclass 73.  Device wherein one of the closures begins its movement in advance of another. SEE OR SEARCH THIS CLASS, SUBCLASS: 80.1, for interconnected louvers with sequential movement.

104	Closures mounted for swinging:
	This subclass is indented under subclass 73.  Device provided with means mounting the closures for rotation about an axis. SEE OR SEARCH THIS CLASS, SUBCLASS: 366+, for bipartite, center-opening, independently swinging closures for a single opening. 381+, for a closure mounted for swinging movement.

105	Treadle or treadle bar interconnector:
	This subclass is indented under subclass 104.  Device wherein an operator includes a member or a pair of members joined by a transverse connector, the member or members being movable by the weight of the user of the closure, and connected to each closure so as to compel concurrent movement of each closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 110+, for a treadle actuated pivoted lever or lever system connected to each closure to compel concurrent movement. 263+, for a pedal, treadle or impact actuated operator.

106	Common interconnector actuated from opposite approaches:
	This subclass is indented under subclass 105.  Device wherein the treadle is located adjacent the user"s path of movement to and from each side of the closures and wherein the treadles are connected by the same means which interconnects the closures.

107	Geared, interconnector or interconnector operator:
	This subclass is indented under subclass 104.  Device wherein the means for uniting the closures or the operator of the closure joining means includes meshing gears. SEE OR SEARCH THIS CLASS, SUBCLASS: 82.1, for a geared interconnector or operator for interconnected louvers.

108	Drives lever pivoted on closure:
	This subclass is indented under subclass 107.  Device wherein the means joining the closures include a lever pivoted to each closure, and wherein the meshing gears impart movement to each lever.

109	Link or link system interconnected:
	This subclass is indented under subclass 104.  Device wherein the means joining the closures includes a lever pivoted at two or more points or a series of such levers which are pivotally connected. SEE OR SEARCH THIS CLASS, SUBCLASS: 122, for a lever interconnecting closures for opposed movement.

110	With operator or energy stored opening means:
	This subclass is indented under subclass 109.  Device provided with a manipulatable mechanical means movable relative to a closure or a means to store potential energy, e.g., a spring for imparting an opening movement to the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 108, for a meshing gear operator which drives a closure pivoted lever. 353+, for an operating lever and closure which swing about parallel axes. 379, for a latch release of movement-stored energy.

111	Allochiral link system from closures to input connection:
	This subclass is indented under subclass 110.  Device comprising two mirror image elongated, pivoted, rigid arms or such arm systems, each extending from a closure to a common connection on the means which applies an opening force to the closures.

112	Input acts at pivot of diverging links:
	This subclass is indented under subclass 111.  Device wherein the two mirror image arms each comprise a single lever pivoted at one end to a closure and converging at its other end to a common pivotal connection, and wherein the opening force is applied to the common pivotal connection.

113	Links sliding carriage mounted:
	This subclass is indented under subclass 112.  Device wherein the common pivotal connection of the arms is carried by a member which reciprocates along a guide rail.

114	Actuating force applied through one closure to other closure:
	This subclass is indented under subclass 110.  Device wherein the moving force of the manipulative mechanical means is applied to one closure which in turn transmits the moving force to another closure.

115	Cable interconnector sheaved on closure pivots:
	This subclass is indented under subclass 104.  Device wherein the means joining the closures includes a cable, i.e., flexible chain, rope or the like and wherein the cable is trained on a pulley or drawn coaxial with the closure pivots. SEE OR SEARCH THIS CLASS, SUBCLASS: 104, for other cable interconnections for swinging closures. 288, for a cable operator, interrelated with a closure latch release, sheaved on a closure pivot. 333+, for a cable operator sheaved on a closure pivot.

116	Opposed similar movement:
	This subclass is indented under subclass 73.  Device wherein the closures move in the same manner but in a reverse direction in their opening movement.

117	With actuator on opposite approaches:
	This subclass is indented under subclass 116.  Device provided with a force input mechanical means to impart movement to the closures, and wherein the input thereof is located adjacent the user"s path of movement to and from each side of the closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 327+, for a closure operator actuated from opposite approaches, and see the search notes thereto for the loci of other operators actuated from opposite approaches.

118	Motor driven:
	This subclass is indented under subclass 116.  Device provided with a motor, i.e., powered means, other than a mere spring, for imparting movement to the closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 334, for a motor driven coaxial operator, and see the search notes thereto for the loci of other motor driven closures.

119	Counterbalance effect derived from opposed closure:
	This subclass is indented under subclass 116.  Device wherein the weight of one closure assists in balancing the weight of another closure moving in a reverse direction, i.e., opposed vertical movement. SEE OR SEARCH THIS CLASS, SUBCLASS: 5+, for counterbalanced, interconnected closures with a fusible connection therebetween. 98+, for counterbalanced opposed closures with means to permit independent movement.

120	Bipartite, center-opening type; e.g., elevator door:
	This subclass is indented under subclass 119.  Device wherein the closures move apart in opposite directions from an edge to edge closed position. SEE OR SEARCH THIS CLASS, SUBCLASS: 366+, for reciprocating, bipartite center-opening closures.

121	Cable interconnected:
	This subclass is indented under subclass 119.  Device wherein the counterbalancing effect is through a cable, i.e., flexible chain, rope or the like joining the closures. SEE OR SEARCH THIS CLASS, SUBCLASS: 99, for counterbalancing closures with an adjustable cable-interconnector in which the cable is adjustable or detachable.

122	Lever interconnected:
	This subclass is indented under subclass 116.  Device wherein the means uniting the closure includes a lever, i.e., elongated, rigid, pivoted arm. SEE OR SEARCH THIS CLASS, SUBCLASS: 101, for a lever interconnecting closures which move at different speeds. 109+, for a lever interconnecting swinging closures.

123	Cable interconnected:
	This subclass is indented under subclass 116.  Device wherein the means uniting the closures includes a cable, i.e., a flexible chain, rope or the like. SEE OR SEARCH THIS CLASS, SUBCLASS: 102, for a cable interconnecting closures which move at different speeds. 104, for a cable interconnecting swinging closures. 115, for a cable interconnector sheaved on closure pivots. 121, for a cable interconnecting counterbalancing closures.

124	EXTENSIBLE BAR SECTIONS:
	This subclass is indented under the class definition.  Device comprising shaft sections connected together and relatively movable to increase the effective length thereof to close or open an opening as by telescoping, folding or contracting.

125	MOUNTED FOR MOVEMENT TO FACIALLY STACKED POSITION:
	This subclass is indented under the class definition.  Device comprising two or more closures, each mounted to move from a relatively extended, nonoverlapping passage blocking position to an inoperative, overlapping position at one side of the passage. SEE OR SEARCH THIS CLASS, SUBCLASS: 44+, for a plural wing revolving door in which the wings fold against one another to form a through opening. 100+, for closures interconnected for concurrent movement which move from a stacked open position to an extended passage blocking position at different speeds. 124, for a closure consisting of extensible bar sections which stack in the open position of the closure. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 202 and subclass 218 for stacked closure sections each having interengagement with a following section, so that the first moved connects to and moves the second, and so forth.

126	From vertical to horizontal overhead stacked position:
	This subclass is indented under subclass 125.  Device wherein the closures are vertically arranged in passage blocking position and move upwardly to a substantially horizontal elevated stacked position. SEE OR SEARCH THIS CLASS, SUBCLASS: 197+, for a single closure movable from a vertical to a withdrawn horizontal overhead position.

127	From collinear to stacked position:
	This subclass is indented under subclass 125.  Device in which the closures are in edge to edge alignment in their closed position. SEE OR SEARCH THIS CLASS, SUBCLASS: 128+, for a closure movable from colinear alignment with another closure to an offset position.

128	COLLINEAR CLOSURES, ONE MOVES TO OFFSET POSITION:
	This subclass is indented under the class definition.  Device wherein two or more closures are in edge to edge alignment in the closed position, and wherein one of the closures is displaced from alignment to a parallel nonaligned position, to allow travel of one of the closures or to bypass another closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 127, for closures which move from a closed, colinear position to a stacked open position. 209+, for a single closure which moves to an offset position relative to an aligned wall.

129	Moved closure has additional movement:
	This subclass is indented under subclass 128.  Device wherein the closure which moves to an offset position has a further movement distinct from its movement to and within its offset position. SEE OR SEARCH THIS CLASS, SUBCLASS: 149+, for a closure having a plurality of distinct, optionally used movements.

130	Horizontal sliding:
	This subclass is indented under subclass 128.  Device wherein the movement subsequent to the movement to an offset position is constrained and rectilinear.

131	CLOSURE SURFACE MOVED TO INOPERATIVE POSITION FLUSH-WITH-GROUND:
	This subclass is indented under the class definition.  Device provided with means mounting the closure for movement, and wherein said means is located at the lower edge of the closure so that the closure in its open position lies upon or below the surface it closes or barricades, the user passing over the closure face while it is in said open position, e.g., highway mounted gates which pivot down to permit a vehicle to ride over them. SEE OR SEARCH THIS CLASS, SUBCLASS: 10+, for a flood gate which moves to a flush position. 33, for a pit or obstacle bridging flush closure. 372+, for a closure stored in a housing adjacent an opening wherein the object may pass over the closure edge.

132	Treadle actuated:
	This subclass is indented under subclass 131.  Device provided with a treadle operated mechanical means imparting movement to the closure, the operation of the means being effected by the weight of an object, such as a foot or vehicle. SEE OR SEARCH THIS CLASS, SUBCLASS: 263+, for a pedal, treadle or impact actuated operator.

133	Actuation raises closure to blocking position:
	This subclass is indented under subclass 132.  Device wherein actuation of the treadle moves the closure from an inoperative flush position to an elevated passage blocking position, usually closures extending between or across the rails of a railroad track to prevent cattle from straying up or down the track.

134	Treadle on opposite approaches:
	This subclass is indented under subclass 133.  Device which include either (1) two separate closures on opposite sides of a crossing, each actuated by a treadle, or (2) a closure having a treadle operator on each approach so as to be actuated if approached from either end. SEE OR SEARCH THIS CLASS, SUBCLASS: 93, for closures on opposite approaches to a crossing interconnected to move concurrently.

135	WITH WIND VANE OR SAIL:
	This subclass is indented under the class definition.  Device comprising an imperforate portion mounted on the opposite side of the mounting means from the closure and constituting an extension thereof, to counterbalance the force of the wind tending to move the closure about its mount.

136	SINGLE ACTUATOR SELECTIVELY MOVES INDIVIDUAL CLOSURES:
	This subclass is indented under the class definition.  Device provided with means for mounting each of a plurality of closures for individual movement; and further provided with a single closure moving means, and wherein each closure is selectively connected to the closure moving means for movement thereby. SEE OR SEARCH THIS CLASS, SUBCLASS: 16, for jail type closures with a common remote operator and individual proximate operators. SEE OR SEARCH CLASS: 74,  Machine Element or Mechanism,   subclasses 665+ for plural power paths to or from separate devices to be moved, and a common actuating gearing. 475,  Planetary Gear Transmission Systems or Components,   for planetary transmission to drive plural loads.

137	UNITARY OR INTERRELATED FLUID OPERATOR AND CLOSURE CHECK:
	This subclass is indented under the class definition.  Device provided with a fluid driven operator, said operator including additional fluid means which cushions the closure movement as it approaches its open or closed position.

138	WITH MEANS TO VARY OPENING SPAN OR SPEED DURING MOVEMENT:
	This subclass is indented under the class definition.  Device provided with means for applying a force to impart movement to a closure, said means including in its train a mechanism for (1) changing the force of its output to vary the rate of the closure movement, or (2) changing the limit of the total movement of the closure in an opening direction.

139	OPTIONALLY MOVED, MANUALLY, OR BY MOTOR:
	This subclass is indented under the class definition.  Device provided with powered means (other than a mere spring) to move the closure and with a manipulatable mechanical means to move the closure or means to disconnect the motor drive to closure, the means or motor being used interchangeably and at the choice of the user. SEE OR SEARCH THIS CLASS, SUBCLASS: 26+, for a motorized closure operator having means responsive to an obstruction to release the drive; e.g., to permit manual arrestation or reversal of closure movement. 98+, for closures interconnected for concurrent movement and having means permitting independent movement. SEE OR SEARCH CLASS: 74,  Machine Element or Mechanism,   subclasses 625+ for alternate manual and power operators for devices of that class. 91,  Motors: Expansible Chamber Type,   subclass 391 for a motor of that class and alternate manual means for moving the load. 475,  Planetary Gear Transmission Systems or Components,   subclasses 1+ for plural power inputs.

140	With manually actuated operator:
	This subclass is indented under subclass 139.  Device provided with a hand actuated mechanical means which is movable relative to the closure for imparting movement thereto.

141	WITH SPECIFIED MEANS TO EFFECT EMERGENCY RELEASE TO CLOSURE:
	This subclass is indented under the class definition.  Device (1) comprising a closure which is defined as made of frangible or easily broken material which is destroyed to gain access through the closed passage, or (2) wherein the closure is retained in closed position by a defined means which must be deformed or destroyed or which requires an excessive amount of force to release the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 44+, for a plural winged closure with means to permit the wings to collapse for emergency exit. 139+, for a closure moved by a motor and having means providing for emergency manual operations; e.g., in the event of motor failure. SEE OR SEARCH CLASS: 70,  Locks,   subclass 92 for door locks having emergency release means. 105,  Railway Rolling Stock,   subclasses 348+ for emergency exits for railway passenger cars. 292,  Closure Fasteners,   subclasses 92+ , for panic bar latches.

142	PLURAL CLOSURES, EACH WITH INDEPENDENT DIVERSE MOVEMENT:
	This subclass is indented under the class definition.  Device comprising two or more closures mounted for movement, and wherein the type of movement of each closure is different from and independent of the other, including closures mounted for swinging about differently oriented axes or sliding in different angular directions. SEE OR SEARCH THIS CLASS, SUBCLASS: 163+, for a closure which moves independently of and as a part of another closure.

143	One sliding and other swinging:
	This subclass is indented under subclass 142.  Device provided with means supporting one of the closures for a constrained sliding rectilinear movement and means mounting another closure for swinging movement about a fixed pivot.

144	One slides up to close, other vents about vertical axis:
	This subclass is indented under subclass 143.  Devices wherein the sliding closure moves vertically to an elevated passage blocking position and the swinging closure or turns about a vertically oriented pivot to provide a ventilating slot or opening at an upright edge of the closure.

145	One slides vertically, other swings about horizontal axis:
	This subclass is indented under subclass 143.  Devices wherein the sliding closure moves in an up and down direction and the swinging closure turns about a horizontally arranged pivot.

146	VERTICALLY RECIPROCABLE, ADDITIONAL SIDEWARD VENTING MOVEMENT FROM CLOSED POSITION:
	This subclass is indented under the class definition.  Device provided with means to mount a sliding closure for raising and lowering movement, and further provided with means to permit movement of the closure in a raised position to provide a ventilating slot or opening adjacent an upright edge of the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 48, for a closure having a cut-out portion or a movably mounted section to provide a vertical opening for hand signalling. 227, for a housed closure mounted for multidirectional movement in its plane to and from an open housed position and a raised, closed position out of its housing.

147	CLOSURE HANGS ON FLACCID CONNECTOR:
	This subclass is indented under the class definition.  Device wherein the means mounting the closure for movement is flexible, or limp, such as a rope, chain or fabric.

148	DISPARATE SUPPORT FOR DISPLACED CLOSURE:
	This subclass is indented under the class definition.  Device comprising either (1) a device other than the means to guide the closure in its movement, located adjacent the closure opening or (2) a closure movement guide movable to a nonguiding position which means (1) or (2) acts to brace or hold a closure when the closure is disassociated from the movement support or its supported-for-movement position. SEE OR SEARCH THIS CLASS, SUBCLASS: 463+, for a removable closure not having a disparate support.

149	MOUNTED FOR OPTIONAL MOVEMENTS:
	This subclass is indented under the class definition.  Device wherein the closure is mounted for two or more distinct opening and closing movements, used interchangeably and optionally by the user, and wherein different or additional mounting means are provided for the several movements, e.g., structures in which the closure may be adjusted vertically to permit the passage of small animals and may either be moved in this adjusted position to form another opening or returned to its original lowered position and then moved. See particularly subclasses 158+ and 190+. SEE OR SEARCH THIS CLASS, SUBCLASS: 44, for a revolving door in which the wings may be moved to one side of the opening to provide a through opening. 129, for a closure having optional movements in which one of the movements is from an edge to edge alignment to an offset position with respect to another closure. 208+, for a closure mounted to have a combination of simple movements (e.g., sliding and swinging) in a single opening movement. 382, for a closure having means for mounting the same hinge at different points usually to allow swinging in reversed directions. 453+, for a reciprocating closure having a movable or removable guide to permit removal of the closure from its supporting frame.

150	Common counterbalance for sliding and swinging movements:
	This subclass is indented under subclass 149.  Device wherein the optional movements include a sliding, i.e., guided rectilinear and swinging, i.e., turning about a fixed pivot and comprising a means to compensate for the weight of the closure to hold it in an adjusted position during either movements, as by connection to the closure above the horizontal pivots on which it swings. SEE OR SEARCH THIS CLASS, SUBCLASS: 445+, for a counterbalance for a reciprocating closure and see the search notes thereto for the loci of other counterbalances.

151	Cable guide changes direction of counterbalancing force:
	This subclass is indented under subclass 150.  Device wherein a flexible cable transmits the counterbalancing force of the closure weight compensating means to the closure with the cable being trained around a cable guide on a nonswinging element so that the direction of the counterbalancing force is changed during the swinging movement of the closure.

152	One movement multidirectional:
	This subclass is indented under subclass 149.  Device wherein one of the optional opening or closing movement is multidirectional, i.e., along two or more different lines or planes of travel. SEE OR SEARCH THIS CLASS, SUBCLASS: 208+, for a closure with a single opening and closing movement which is multidirectional, and see the search notes thereto for the loci of other multidirectional movements.

153	Swings on link:
	This subclass is indented under subclass 152.  Device wherein the multidirectional movement is effected by a link pivoted at one end on a support and at its opposite end to the closure so that the closure moves about the axes of both pivots. SEE OR SEARCH THIS CLASS, SUBCLASS: 246+, for a closure mounted to swing about plural axes; e.g., at each end of a link arm.

154	Other movement is sliding on link at balance point of closure:
	This subclass is indented under subclass 153.  Device wherein the end of the link which pivotally supports and carries the closure is adjacent its center of mass and is further provided with means mounting said closure on said end of the link for a distinct and alternate opening and closing sliding movement. SEE OR SEARCH THIS CLASS, SUBCLASS: 253, for a closure with a single opening and closing movement on a pivotal link arm which mounts the closure adjacent its center of mass.

155	Other movement is sliding within portal frame:
	This subclass is indented under subclass 153.  Device which in addition to the link effected multidirectional movement there is means providing for sliding movement of the closure relative to frame defining the opening for the closure.

156	Slides on pivoted support, other movement is relative vertical adjustment:
	This subclass is indented under subclass 152.  Device wherein the multidirectional movement is effected by a link pivoted mounted at one end on a support and at its opposite end to the closure, said opposite end also being mounted for reciprocation relative to the closure arm for reciprocation prior to swinging, and wherein the other movement is effected by means to vary the position of the closure vertically relative to the pivoted arm. SEE OR SEARCH THIS CLASS, SUBCLASS: 190+, for a closure which adjusts vertically on a vertical supporting pivot. 258, for a closure which translates on a pivoted support in a single opening and closing movement.

157	Other movement is vertical sliding:
	This subclass is indented under subclass 152.  Device wherein in addition to the multidirectional movement there is means providing for a guided rectilinear vertical movement.

158	Mounted on rod for sliding or swinging:
	This subclass is indented under subclass 149.  Device provided with means mounting the closure for sliding movement along and swinging movement about a fixed elongated slender guide bar at one side of the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 190+, for a closure swingable with a vertically oriented pivot member and adjustable vertically with respect to the pivot member.

159	With latch for sliding movement:
	This subclass is indented under subclass 158.  Device comprising a means to hold the closures in a selected one of a plurality of possible positions along the rod, including an operator which both moves the closure and holds it in an adjusted position. SEE OR SEARCH THIS CLASS, SUBCLASS: 503, for a closure panel modified to accommodate a lock or latch, and see the search notes thereto for the loci of other closure locks and latches.

160	Rod latch:
	This subclass is indented under subclass 159.  Device wherein the closure holding means is mounted on or engages the rod.

161	Pivoted closure within framework of double hung sash:
	This subclass is indented under subclass 149.  Device comprising upper and lower vertically sliding closures mounted within a common frame, and wherein an enclosed section is mounted within the surrounding marginal frame of one of said closures for swinging movement relative thereto. SEE OR SEARCH THIS CLASS, SUBCLASS: 176+, for a closure pivotally movable relative to side slides.

162	Vertical axis pivot:
	This subclass is indented under subclass 161.  Device wherein the enclosed section swings about a vertically oriented axis. SEE OR SEARCH THIS CLASS, SUBCLASS: 177+, for a closure which is mounted on a pivoted slide mount for swinging about a vertically oriented axis.

163	One closure movable separately from or with other closure:
	This subclass is indented under subclass 149.  Device wherein there are means providing for several closure movements, one means mounting one closure for a movement distinct and separate from the movement of another closure and another means mounting said closures for movement together as a unit. SEE OR SEARCH THIS CLASS, SUBCLASS: 48, for a movable closure having an independently movable section for hand signalling. 62, for an auxiliary closure carried by a primary closure for movement therewith and movable or removable relative thereto. 74.1, for concurrently movably louvers mounted in a movable frame.

164	Closure slide within swingable frame:
	This subclass is indented under subclass 163.  Device wherein the separate movement of the closures mounted is a sliding movement within a pivotally mounted common supporting frame which allows the closures to swing as a unit. SEE OR SEARCH THIS CLASS, SUBCLASS: 196, for a sliding closure which swings with a pivoted guide.

165	Divided frame with pivoted section:
	This subclass is indented under subclass 164.  Device wherein the supporting frame comprises fixed and pivoted sections.

166	Upper closure mounted on horizontally swinging closure; e.g., sliding window on swinging door:
	This subclass is indented under subclass 163.  Device wherein a first closure is mounted for turning about a vertical axis, and a second closure is carried by the upper portion of said first closure and wherein means are provided for mounting said upper closure for movement distinct and separate from said first closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 72, for a combined window regulator and door latch operator. 374+, for a closure which reciprocates in and out of a housing formed in a door. SEE OR SEARCH CLASS: 296,  Land Vehicles: Bodies and Tops,   subclass 146.2 for a combination of a door and a window associated in a vehicle body; and subclasses 149+ for a vehicle body having a plurality of swinging doors having sliding windows which convert a vehicle body from an open to a closed type.

167	Power conduit for upper closure extends across hinge:
	This subclass is indented under subclass 166.  Device provided with a powered means for imparting movement to the upper closure, said means includes a housing or protective covering for an electric or hydraulic conductor which spans the space between the hinge side of the first closure and frame. SEE OR SEARCH THIS CLASS, SUBCLASS: 334, for a motor driven operator, coaxial of the closure and see the search notes thereto for the loci of other motor driven closures.

168	Plural independently mounted movable closures:
	This subclass is indented under subclass 163.  Device comprising two or more closures each mounted for movement irrespective of any movement of the other but which can be connected together for movement as a unit. SEE OR SEARCH THIS CLASS, SUBCLASS: 142+, for a plurality of closures in which the type of movement of each closure is different from and independent of the other. 164+, for a plurality of independently sliding closures which swing together on a pivoted frame.

169	Within encompassing closure:
	This subclass is indented under subclass 163.  Device including an auxiliary closure (often termed a wicket) mounted within a main closure so that the major portion of its periphery (i.e., three sides) is surrounded by the main closure, and wherein the auxiliary closure is mounted for movement relative to the main closure. (1) Note. A mere surrounding marginal frame has not been considered a main closure for this and the indented subclasses. The main closure must be a closure for a substantial area in and of itself. See the search notes below for exemplary loci of closures mounted for movement in surrounding frames. SEE OR SEARCH THIS CLASS, SUBCLASS: 48, for a closure with a section for signalling. 161, for a pivoted closure in a double hung frame. 176+, for a closure pivotally movable relative to a sliding frame. SEE OR SEARCH CLASS: 160,  Flexible or Portable Closure, Partition, or Panel,   subclass 180 for a similar arrangement of the type of closure in that class.

170	With common edge:
	This subclass is indented under subclass 169.  Device wherein the auxiliary closure is mounted to close and opening extending inwardly from the periphery of the main closure so that in closed position of the auxiliary closure its outer edge and that of the main closure coincide.

171	Viewing, ventilating, or packet passage:
	This subclass is indented under subclass 169.  Device wherein the auxiliary closure is movable to cover or uncover a viewing or ventilating opening or a slotted opening for the passage of mail, e.g., "door peeps", "peep holes", "interviewers" or "observation doors". SEE OR SEARCH CLASS: 109,  Safes, Bank Protection, or a Related Device,   subclass 21.5 for a bank protection device comprising a protected voice transmitting path, and subclass 58.5 for port type bank protection means. 232,  Deposit and Collection Receptacles,   subclasses 19+ for a mail box and subclasses 45+ for a chute, having means for mounting the box or chute on a surface; e.g., a closure or its mounting frame. Closure structure in addition to that necessary to mount the box or chute is beyond the scope of Class 232 and will be found in this class (49) and subclass (171). 454,  Ventilation,   subclass 211 for a ventilating closure mounted on a sash frame combined with subject matter not included in Class 49 (e.g., a screen) and subclass 212 for a ventilating closure substituted for a pane in a sash.

172	Edgewise separable stile-slide supports closure for vertical swinging:
	This subclass is indented under subclass 149.  Device provided with a sliding member substantially coextensive with the side of the closure on which the closure is mounted for sliding therewith and further provided with means connecting the closure to said member for swinging about a horizontal axis, said member being movable in a plane parallel to the plane of reciprocation of the closure and member to permit swinging of the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 174+, for a bearing strip, laterally retractable to permit swinging of a closure. 184+, for a longitudinal key strip between opposed grooves in a closure and a sliding stile, which strip is laterally retractable into the closure or stile to permit rotation of the closure about its stile mounted pivot. 316+, for an operator for a movably mounted sealing, guiding or locking strip between a frame and a closure, e.g., to release the closure for swinging movement, and see the search notes thereto for the loci of other movable sealing, guiding or locking strips.

173	Coil spring bias coaxial of closure pivot:
	This subclass is indented under subclass 172.  Device wherein the closure and stile slide are urged together by a coil spring having the same longitudinal axis as the closure pivot.

174	Edgewise retractable bearing acting between closure and portal frame:
	This subclass is indented under subclass 149.  Device comprising a slide or guide strip acting between the edge surface of the closure and the adjacent portal frame surface to restrict the movement of the closure to a longitudinal reciprocation parallel to the surfaces; which said slide or guide is movable in a plane parallel to the plane of reciprocation to thereby permit movement of the closure about a pivot. SEE OR SEARCH THIS CLASS, SUBCLASS: 172+, for a closure which is pivoted on a sliding stile, wherein the stile is laterally retractable to permit swinging of the closure. 194+, for a closure to frame guide strip which is otherwise moved or removed to permit rotation of the closure. 316+, for an operator for a movably mounted sealing, guiding or locking strip between a frame and a closure, e.g., to release the closure for swinging movement, and see the search notes thereto for the loci of other movable sealing, guiding or locking strips. 414+, for a biased bearing surface for a reciprocating closure wherein the biasing means permit lateral displacement of the bearing surface.

175	Towards closure:
	This subclass is indented under subclass 174.  Device wherein the guide strip retracts into or alongside the closure. SEE OR SEARCH THIS CLASS, SUBCLASS: 185, for a longitudinal key strip between a closure and a sliding stile retractable into the closure to permit pivoting of the closure.

176	Pivot mounted on sliding member; e.g., slide-stile:
	This subclass is indented under subclass 149.  Device wherein the closure is connected by a pivot to a sliding member, e.g., stile which moves in a guideway on a portal frame member or equivalent support member. SEE OR SEARCH THIS CLASS, SUBCLASS: 161, for an enclosed section which pivots on a slidably mounted surrounding marginal frame. 172+, for a sliding member between a closure and a portal frame.