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Class Information
Number: 116/100
Name: Signals and indicators > Alarms > Closure operated
Description: Miscellaneous closure-operated alarms not intended for burglar-alarm purposes. Some are to give a local alarm when a fire-alarm box is opened, others to operate as house-bells, etc.

Patents under this class:

Patent Number Title Of Patent Date Issued
7971715 Medical disposables containers Jul. 5, 2011
7667613 Evacuation status module (ESM) Feb. 23, 2010
7557727 Alert apparatus for use with fasteners Jul. 7, 2009
6517376 Positioning-sounding device for card puller Feb. 11, 2003
6418283 Communications cartridge Jul. 9, 2002
4976214 Door harps Dec. 11, 1990
4835520 Talking alarm for openable compartment May. 30, 1989
4711368 Tamper proof package with electrical circuit Dec. 8, 1987
4607747 Packaging for a product as well as use of the same Aug. 26, 1986
4606295 Mechanical door chime powered by motion of the door Aug. 19, 1986
4583483 Mechanical meter tampering indicator Apr. 22, 1986
4567846 Magnetically operated door chime Feb. 4, 1986
4414912 Burglar alarm Nov. 15, 1983
4094266 Elevator audible signaling device Jun. 13, 1978
4034697 Fire extinguisher cabinet Jul. 12, 1977

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