FR945189A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Tube mounted electric rectifiers
Assignee: International Standard Electric Corp
•
Filing: 1947-04-15
•
Granted: 1949-04-27
•
Expires: 1967-04-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 04:00
CPC Classifications
H; H10; H10W; H10W72/00; H10D; H10D99/00; H10W90/00
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.