US3463669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manganese dioxide-zinc alkaline secondary cell
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
•
Filing: 1966-12-22
•
Granted: 1969-08-26
•
Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jean Firmin Jammet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:27
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M6/00; H01M6/04; H01M6/06; H01M6/08; H01M10/00; H01M10/24; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/423; H01M50/429; H01M50/44; H01M50/449; H01M50/454; H01M50/457; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2481539A
Cited
US2499419A
Cited
US2422045A
Cited
US2480839A
Cited
US2593893A
Cited
US2692904A
Cited
US2923757A
Cited
US3018316A
Cited
US3168420A
Cited
US3114659A
Cited
US3288651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |