DE707127C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for the evaporation of traps in electron tubes
Assignee: Sueddeutsche Telefon Apparate Kabel und Drahtwerke AG TEKADE
•
Filing: 1935-12-22
•
Granted: 1941-06-13
•
Expires: 1955-12-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 17:43
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/186
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.