FR811767A
Expired / Lapsed
FR
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Improvements to systems for signaling, communication, indication and remote control by high frequency currents
Assignee: John Lionel Hills
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Filing: 1936-10-10
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Granted: 1937-04-22
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Expires: 1956-10-10
Abstract
No abstract record available.
Inventors
- 👤 John Lionel Hills
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 08:29
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/50; H04B1/06; H04B1/10; H04B1/14; H04B7/00; H04B7/02; H04J; H04J1/00; H04J1/20
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