Patent DE748905C successfully refreshed from Google Patents.
DE748905C
Expired / Lapsed
DE
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Process for the production of an oxidized heating wire for glow cathodes
Assignee: Fritz Wappler
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Filing: 1940-01-17
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Granted: 1945-01-12
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Expires: 1960-01-17
Abstract
No abstract record available.
Inventors
- 👤 Fritz Wappler
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 18:46
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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