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DE367268C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric alarm device arranged in the chain trap and triggered by the chain toggle against unauthorized door opening
Assignee: Individual
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Filing: —
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Granted: 1923-01-19
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Expires: 1940-01-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 21:35
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102
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References Cited (Backward Citations)
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