Patent DE558726C successfully refreshed from Google Patents.
DE558726C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for remote control of an extension from a main office, in which contact arms run at constant speed over rows of contacts at both locations in order to control both moving organs in the extension from the main office and to be able to transmit messages at any time from the extension to the main office
Assignee: Siemens and Halske AG
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Filing: 1925-10-07
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Granted: 1932-09-10
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Expires: 1945-10-07
Abstract
No abstract record available.
Inventors
- 👤 Fritz Eichler
- 👤 Dr-Ing Manfred Schleicher
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 06:53
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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