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FR742483A Expired / Lapsed FR ⏱️ 0.0 years remaining

IMPROVEMENTS TO CLOCKS WITH SYNCHRONOUS MOTORS CONNECTED TO AN ALTERNATIVE CURRENT SECTOR

Assignee: Leon Hatot SA Switzerland
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Filing: 1931-12-12
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Granted: 1933-03-08
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Expires: 1951-12-12
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Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 19:16
CPC Classifications
G; G04; G04C; G04C15/00

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