Patent US3758342A successfully refreshed from Google Patents.
US3758342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal fuel battery and system
Assignee: Sony Corp
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Filing: 1971-02-23
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Granted: 1973-09-11
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Expires: 1991-02-23
Abstract
Abstract A METAL FUEL BATTERY HAVING A NUMBER OF CELLS, EACH CELL HAVING AT LEAST ONE GAS DIFFUSION ELECTRODE (POSITIVE ELECTRODE) AND ONE CATHODE COLLECTOR ELECTRODE (NEGATIVE ELECTRODE) PERIODICALLY BETWEEN WHICH A LIQUID ELECTROLYTE HAVING POWDER METAL FUEL DISPERSED THEREIN IS CAUSED TO FLOW IN A DOWNWARD DIRECTION. THE BATTERY IS USED IN A SYSTEM IN WHICH THE METAL FUEL IS REPLENISHED FROM TIME TO TIME AS IS ALSO THE ELECTROLYTE. D R A W I N G
Inventors
- 👤 H Baba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:03
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/22; H01M8/225; H01M12/00; H01M12/04; H01M12/06; H01M12/065; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |