FR830743A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Switching device for alternating currents
Assignee: Siemens Schuckertwerke AG
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Filing: 1936-12-12
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Granted: 1938-08-08
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Expires: 1956-12-12
Abstract
No abstract record available.
Inventors
- 👤 Floris Koppelmann
- 👤 Paul Duffing
- 👤 Erwin Janetschke
- 👤 Fritz Kesselring
- 👤 Bernhard Kirschtein
- 👤 Gabriel Letsch
- 👤 Wilhelm Leukert
- 👤 Hans Joachim Mattern
- 👤 Erich Rolf
- 👤 Hlke Marcel Zu
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 08:08
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/20
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References Cited (Backward Citations)
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