DE676367C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Ceramic electrode holder with a metallic shield for electron tubes
Assignee: Telefunken AG
•
Filing: 1934-02-06
•
Granted: 1939-06-02
•
Expires: 1954-02-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 14:04
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.