Burglar alarm
United States Patent 3011163
US Patent References:
/0492478.html
- - 0492478

Alarm device
- - 1965946

Combined lock and switch
- - 2057301

Magnetic connection
- - 2526206

Alarm apparatus for portable containers
- - 2724823


Inventors:
Britt, Robert M.
Publication Date:
11/28/1961
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Assignee:
Britt, Robert M.
Primary Class:
340/545.100
Other Classes:
340/546, 361/189, 340/549
International Classes:
G08B13/08; G08B13/02
US Patent References:
2866181Burglar alarm having both visual and audible alarm means
2943308Protective alarm system
Foreign References:
CH114016A
DE716896C
CA579150A