Patent US2442895A successfully refreshed from Google Patents.
Patent FR644070A successfully refreshed from Google Patents.
FR644070A
Expired / Lapsed
FR
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Arc breaking chamber for electric switches operating in air
Assignee: BROWN
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Filing: 1927-11-17
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Granted: 1928-10-02
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Expires: 1947-11-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 22:27
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34; H01H9/36
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