FR840978A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for the operation of television tubes
Assignee: Robert Bosch Fernsehanlagen GmbH
•
Filing: 1938-07-21
•
Granted: 1939-05-08
•
Expires: 1958-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 14:48
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18
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.