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Portable fire alarm
US 2,816,280 A
Filed
: 08/09/1955
Issued
: 12/10/1957
Est. Priority Date
: 08/09/1955
Status: Expired due to Term
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Current Assignee
Wilbur O. Detweiler
Original Assignee
Wilbur O. Detweiler
Inventors
Detweiler, Wilbur O.
Application Number
US03/527,350
Time in Patent Office
854 Days
Field of Search
US Class Current
340/586
CPC Class Codes
G08B 17/06
Electric actuation of the a...
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