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Class Information
Number: 49/141
Name: Movable or removable closures > With specified means to effect emergency release to closure
Description: 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.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8671622 Device for the at least partial closing of an opening of a room Mar. 18, 2014
8657234 Dual function door for an aircraft engine nacelle Feb. 25, 2014
8627604 Bypass door Jan. 14, 2014
8505240 Casement and awning window opening limit device Aug. 13, 2013
8490330 Window opening control assembly Jul. 23, 2013
8484892 Electric door operator Jul. 16, 2013
8443549 Sliding door with large opening May. 21, 2013
8443550 Window guard May. 21, 2013
8439308 Spring loaded pressure relief door May. 14, 2013
8418404 Window with opening control mechanism Apr. 16, 2013
8397431 Emergency jettison window pane and associated ejection system Mar. 19, 2013
8381443 Sliding door Feb. 26, 2013
8333036 Emergency egress assembly embedded in a vehicle door Dec. 18, 2012
8322080 Releasable arm assembly for a swing gate Dec. 4, 2012
8291644 Locking mechanism for pneumatic differential engine for power-operated doors Oct. 23, 2012
8205387 Delayed egress sliding door and method Jun. 26, 2012
8167020 Upper seal for a horizontal side-moving door May. 1, 2012
8161681 Releasable arm assembly for a swing gate Apr. 24, 2012
8112938 Gate system with automatic locking and unlocking feature Feb. 14, 2012
7891138 Functional unit for a door of a motor vehicle Feb. 22, 2011
7861460 Emergency window opening system Jan. 4, 2011
7823342 System and method for attaching panels to enable removal from the inside of a structure Nov. 2, 2010
7818944 Window pane with security element Oct. 26, 2010
7757437 Resilient retention system for a door panel Jul. 20, 2010
7748166 Vehicle door glass blocker and breaker Jul. 6, 2010
7730668 Motor vehicle egress window Jun. 8, 2010
7690153 Emergency door actuator system Apr. 6, 2010
7650723 Concealed emergency attic egress system Jan. 26, 2010
7578095 Emergency escape window Aug. 25, 2009
7565770 Reset mechanism for a panel guide and impact separation system for a sliding door Jul. 28, 2009
7537038 Release control mechanism for emergency exit May. 26, 2009
7497050 Sliding door having an adjustable torsion bar assembly Mar. 3, 2009
7438336 Storm shutter stud fastener with quick release arm Oct. 21, 2008
7296608 Impactable door Nov. 20, 2007
7254918 Emergency unlocking device for locking and unlocking systems for swinging sliding doors, in particular of rail vehicles Aug. 14, 2007
7222457 Reset mechanism for a panel guide and impact separation system for a sliding door May. 29, 2007
7117637 Panel guide and impact separation system for a sliding door Oct. 10, 2006
7097240 Locking mechanism with rotatable features Aug. 29, 2006
7065923 Method and apparatus for breakaway mounting of security gate to drive mechanism Jun. 27, 2006
7008011 Emergency roof detachment device for a vehicle Mar. 7, 2006
6973753 Sliding door system Dec. 13, 2005
6966151 Manipulable door barrier escape apparatus and method Nov. 22, 2005
6938921 Vehicle subassembly Sep. 6, 2005
6932395 Window assembly with release mechanism Aug. 23, 2005
6860542 Motor vehicle door attachment and detachment Mar. 1, 2005
6823632 Apparatus for preserving subglass of driving room of heavy equipment Nov. 30, 2004
6786005 Emergency release burglar bars actuated by smoke alarm Sep. 7, 2004
6783167 Safety system for a closed compartment of a vehicle Aug. 31, 2004
6771181 Crawl to the light emergency exit Aug. 3, 2004
6726271 Window structure for mass transit vehicle Apr. 27, 2004

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