Patent US3328022A successfully refreshed from Google Patents.
Patent FR41768E successfully refreshed from Google Patents.
FR41768E
Expired / Lapsed
FR
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Improvements in the means of controlling the passage of energy between an alternating current circuit and a direct current circuit
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1932-05-04
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Granted: 1933-04-13
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Expires: 1952-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 20:49
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/22; G08B13/26
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