FR930976A
Expired / Lapsed
FR
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Electromagnetic signaling device
Assignee: Alexandre-Etienne Racz
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Filing: 1946-04-26
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Granted: 1948-02-10
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Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Alexandre-Etienne Racz
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/13; H01J1/20; H01J1/28; G; G08; G08B; G08B13/00; G08B13/22; G08B13/24; G08B13/2491
Claims Analysis
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References Cited (Backward Citations)
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