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Patent FR540406A successfully refreshed from Google Patents.
FR540406A
Expired / Lapsed
FR
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Switch system for electric current
Assignee: Marius Ratignier
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Filing: 1921-01-31
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Granted: 1922-07-11
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Expires: 1941-01-31
Abstract
No abstract record available.
Inventors
- 👤 Marius Ratignier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 06:23
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/28; H01H19/32
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References Cited (Backward Citations)
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