FR668323A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for the sudden and forced opening and closing of electrical circuits applicable in particular to switches, switches, etc.
Assignee: ED SPENGLER ET H CHENU
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Filing: 1928-05-04
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Granted: 1929-10-30
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Expires: 1948-05-04
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 12:53
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H01H13/56; H01H13/58
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