Patent JPS5740984A successfully refreshed from Google Patents.
FR893185A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to isolators such as those used for telegraphy or wireless telephony antennas
Assignee: L Ulmer & Cie Ets
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Filing: 1942-12-14
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Granted: 1944-06-01
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Expires: 1962-12-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/02; H01B17/12
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