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Patent FR476941A successfully refreshed from Google Patents.
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FR476941A Expired / Lapsed FR ⏱️ 0.0 years remaining

Switch contacts in oil

Assignee: Maljournal & Bourron Des Ets
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Filing: 1914-04-08
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Granted: 1915-09-09
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Expires: 1934-04-08
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 10:04
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/12

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