Patent US3592698A successfully refreshed from Google Patents.
US3592698A
Expired / Lapsed
US
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Metal fuel battery with fuel suspended in electrolyte
Assignee: Sony Corp
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Filing: 1968-11-18
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Granted: 1971-07-13
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Expires: 1988-11-18
Abstract
Abstract A METAL FUEL BATTERY CONSISTING OF A LIQUID-CONTAINING CHAMBER, AT LEAST ONE WALL OF WHICH IS A GAS DIFFUSION POSITIVE ELECTRODE INCLUDING A METAL OXIDATION CATALYST THEREIN, A NEGATIVE ELECTRODE POSITIONED IN THE CHAMBER AND SPACED FROM THE POSITIVE ELECTRODE, A LIQUID ELECTROLYTE HAVING A FINELY DIVIDED METAL FUEL POWDER SUSPENDED THEREIN AND MEANS FOR CIRCULATING THE ELECTROLYTE THROUGH THE CHAMBER. D R A W I N G
Inventors
- 👤 Hideo Baba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:40
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/22; H01M8/225; 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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |