US3573992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming an electrode
Assignee: DS MEDICAL PRODUCTS Co A CORP
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Filing: 1968-08-29
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Granted: 1971-04-06
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Expires: 1988-08-29
Abstract
Abstract METHODS ARE DESCRIBED FOR FORMING ELECTRODES BY METALLIC DEPOSITION FROM A SOLUTION CONTAINING PLATINUM, PALLADIUM AND SELECTED THIRD METAL ONTO A POROUS SUBSTRATE HAVING AT LEAST A NON-NOBLE METAL COATING. THE METALLIC DEPOSITION IS ACCOMPLISHED BY SUBSTRATE IMMERSION, SUBSTRATE DIPPING, OR SUBSTRATE IMMERSION IN WHICH THE SUBSTRATE IS CONNECTED TO THE POSITIVE TERMINAL OF A POWDER SUPPLY. SUCH ELECTRODES PROVIDE HIGH PERFORMANCE ANODES FOR ELECTROCHEMICAL CELLS.
Inventors
- 👤 Willard T Grubb
- 👤 Robert A Macur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:26
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; 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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |