DE563148C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
High-performance tubes with tubular glow cathode
Assignee: Siemens and Halske AG
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Filing: 1930-05-18
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Granted: 1932-11-02
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Expires: 1950-05-18
Abstract
No abstract record available.
Inventors
- 👤 Sigurd Ganswindt
- 👤 Dr Kurt Matthies
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 23:17
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/13; H01J1/20; H01J1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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