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Class 116/78 - Drop detonating


Subclass of Class 116 - Signals and indicators
Definition: Devices in which the dropping of the device by being displaced
No. of patents: 1
Last issue date: 11/15/1983


NumberTitleIssue Date
4414912Burglar alarm
The invention is an improved burglar alarm for doors and windows or other similar openings in an enclosure to be protected against secretive entry. The invention consists of a series or plurality of bell-like devices which are automatically dumped or knoc...
11/15/1983
 
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