Patent DE940481C successfully refreshed from Google Patents.
DE940481C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Circuit element for the optical display of the operating time of electrical devices
Assignee: Siemens Corp
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Filing: 1952-03-02
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Granted: 1956-03-22
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Expires: 1972-03-02
Abstract
No abstract record available.
Inventors
- 👤 Theodor Dipl-Chem Renner
- 👤 Walter Dr Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 22:09
CPC Classifications
G; G01; G01R; G01R22/00; G01R22/02
Claims Analysis
Total Claims: 0
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