Patent US3563803A successfully refreshed from Google Patents.
US3563803A
Expired / Lapsed
US
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Aluminum-air battery
Assignee: Furukawa Battery Co Ltd
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Filing: 1968-10-25
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Granted: 1971-02-16
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Expires: 1988-10-25
Abstract
Abstract AN ALUMINUM-AIR BATTERY HAVING AN ANODE OF ALUMINUM OR AN ALLOY THEREOF AND AN ALKALINE ELECTROLYTE CONTAINING AS AN ADDITIVE PLUMBITE, PLUMBATE OR STANNATE, THE ADDITIVE BEING PRESENT IN A CONCENTRATION LOWER THAN 0.2M. THE ADDITIVE INHIBITS SELF-CORROSION OF THE ALUMINUM ELECTRODE AND RAISES THE CURRENT EFFICIENCY, WHILE LIMITING THE ELECTROLYTE TEMPERATURE WITH PASSAGE OF TIME.
Inventors
- 👤 Masayoshi Katoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:35
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/045; H01M10/00; H01M10/24; H01M10/26; H01M12/00; H01M12/02; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |