US3497387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical cells with negative zinc electrodes
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1966-12-27
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Granted: 1970-02-24
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Bernard Paul Louis Amiet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/24; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US25503A
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US401291A
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US651247A
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US2662928A
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US2669594A
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US3013099A
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US2988586A
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US3053924A
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US3207682A
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US3275478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |