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Expired
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Malcom Sundheimer
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Individual
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Individual
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Publication of GB190913955ApublicationCriticalpatent/GB190913955A/en
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B13/00—Burglar, theft or intruder alarms
G08B13/22—Electrical actuation
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Burglar Alarm Systems
(AREA)
Abstract
13,955. Sundheimer, M. June 14. Stop-mechanism.-In a clock-work switch, an extension 35 of the escapement projects through an aperture of the casing to facilitate starting and stopping the clock-work and to indicate whether it is going.
GB190913955D1909-06-141909-06-14Improvements in Burglar Alarm Systems.
ExpiredGB190913955A
(en)