FR624461A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
accumulator electrode
Assignee: Henri Calmels
•
Filing: 1926-11-12
•
Granted: 1927-07-19
•
Expires: 1946-11-12
Abstract
No abstract record available.
Inventors
- 👤 Henri Calmels
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 00:57
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0463; H01M10/0413; H01M4/00; H01M4/02; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
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.