FR61248E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Development of DC power sources
Assignee: Compagnie Industrielle des Piles Electriques CIPEL SA
•
Filing: 1951-04-04
•
Granted: 1955-04-05
•
Expires: 1971-04-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 21:43
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/34
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.