FR553030A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to portable lamps with magnetic adhesion
Assignee: Pierre Crehange
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Filing: 1922-06-17
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Granted: 1923-05-11
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Expires: 1942-06-17
Abstract
No abstract record available.
Inventors
- 👤 Pierre Crehange
- 👤 Pierre Mazerat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 17:33
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/08; F21V21/096; F21V21/0965
Claims Analysis
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References Cited (Backward Citations)
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