Patent DE668041C successfully refreshed from Google Patents.
DE668041C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Resonance relay that is remotely controlled by higher-frequency alternating currents superimposed on electricity distribution networks
Assignee: Compteurs Schlumberger SA
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Filing: 1934-06-26
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Granted: 1938-11-25
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Expires: 1954-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 20:05
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; Y; Y02; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/121
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