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Class Information
Number: 116/8
Name: Signals and indicators > Combined functions > Burglar alarms > Locks
Description: Devices include locks combined with alarms, which are set off when the lock is operated. The alarm may be a bell or an explosive device.

Sub-classes under this class:

Class Number Class Name Patents
116/11 Detonating 1
116/9 Door-knob controlled 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8587404 Movable barrier operator and transmitter with imminent barrier moving notification Nov. 19, 2013
4453390 Combination lock monitoring system Jun. 12, 1984
4375200 Antitheft device Mar. 1, 1983
4059299 Auxiliary portable lock Nov. 22, 1977

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