DE832457C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Cold cathode for gas discharge tubes
Assignee: Individual
•
Filing: 1950-02-21
•
Granted: 1952-02-25
•
Expires: 1970-02-21
Abstract
No abstract record available.
Inventors
- 👤 Richard Happ
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 07:39
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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