FR1242385A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to batteries and electric accumulators
Assignee: Danuta Herbert
•
Filing: 1959-08-21
•
Granted: 1960-09-30
•
Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Danuta Herbert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 17:22
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/16; H01M4/00; H01M4/02; H01M4/36
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.