Patent US3682707A successfully refreshed from Google Patents.
US3682707A
Expired / Lapsed
US
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Stabilization of silver catalyst in an air diffusion electrode
Assignee: Westinghouse Electric Corp
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Filing: 1970-01-12
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Granted: 1972-08-08
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Expires: 1990-01-12
Abstract
Abstract AN ELECTROCHEMICAL CELL, COMPRISING AN ANODE, A GAS DIFFUSION CATHODE CONTAINING SILVER CATALYST, AND AN AQUEOUS ELECTROYTE BETWEEN THE ANODE AND CATHODE TO WHICH IS ADDED AT LEAST 0.01 MOLE OF EITHER CARBONATE, PHOSPHATE OR CHLORIDE IONS PER LITER OF ELECTROLYTE, IS USED TO CAUSE CURRENT TO FLOW EXTERNALLY THROUGH A LOAD CIRCUIT CONNECTING THE ANODE AND CATHODE.
Inventors
- 👤 Yehuda L Sandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:40
CPC Classifications
H; H01; H01M; H01M12/00; H01M8/00; H01M8/08; 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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |