FR810325A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Vertical spiral antenna for telegraphy, cordless telephony or television
Assignee: CABLERIE E CHARBONNET
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Filing: 1935-12-10
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Granted: 1937-03-19
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Expires: 1955-12-10
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 08:05
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/36; H01Q1/362
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