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FR564541A
Expired / Lapsed
FR
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Continuous rheostat specially designed for heating the filaments of lamps used in telegraphy and wireless telephony
Assignee: Guillaume-Georges Pericaud
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Filing: 1923-03-31
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Granted: 1924-01-04
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Expires: 1943-03-31
Abstract
No abstract record available.
Inventors
- 👤 Guillaume-Georges Pericaud
- 👤 Charles Andriot
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/6608; H01R13/6616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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