DE487385C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Circuit for tube devices
Assignee: ERICH LUETTCHER DIPL ING
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Filing: 1929-01-31
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Granted: 1929-12-14
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Expires: 1949-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 17:01
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03F1/546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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