US3463671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sea water activated primary batteries and method of operating same
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1967-02-10
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Granted: 1969-08-26
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Expires: 1987-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jean Henri Doll
- 👤 Henri Desire Druesne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:45
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/70; H01M50/77; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M6/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3012087A
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 |