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Class Information
Number: 116/91
Name: Signals and indicators > Alarms > Burglar > Closure operated > Door and window > Clockwork bell
Description: Bells actuated by trains of clock-work controlled by doors or windows.










Sub-classes under this class:

Class Number Class Name Patents
116/93 Automatic wind 1
116/94 Cable control 2
116/92 Door knob 1


Patents under this class:

Patent Number Title Of Patent Date Issued
4232474 Toy safe with alarm Nov. 11, 1980











 
 
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