Patent DE401291C successfully refreshed from Google Patents.
DE401291C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Circuit arrangement for step-by-step adjustable selector switch
Assignee: AUTOMATISCHE TELEPHONIE A G GE
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Filing: 1921-02-13
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Granted: 1924-08-30
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Expires: 1941-02-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 10:32
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/02; H01H67/04; H01H67/12
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References Cited (Backward Citations)
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