US3328202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite electrode
Assignee: Westinghouse Electric Corp
•
Filing: 1963-10-30
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Granted: 1967-06-27
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Delmar R Riffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:43
CPC Classifications
H; H01; H01M; H01M4/00; H01M10/00; H01M10/36; H01M10/365; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
IN A BATTERY CELL HAVING ACTIVE ELECTRODES OF BROMINE AND ZINC AND A ZINC BROMIDE ELECTROLYTE, THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING A COMPOSITE ELECTRODE OF A SHAPE OF POROUS ACTIVATED CARBON HAVING OPPOSED MAJOR SURFACES, A SUBSTANTIALLY NON-POROUS ELECTRICALLY CONDUCTING COATING ON ONE OF THE OPPOSED MAJOR SURFACES OF THE SHAPE OF ACTIVATED CARBON, AND A POROUS ELECTRICALLY NON-CONDUCTING COATING ON THE OTHER OF THE OPPOSED MAJOR SURFACES OF THE SHAPE OF ACTIVATED CARBON.
References Cited (Backward Citations)
US2588170A
Cited
US2807658A
Cited
US2907809A
Cited
US3134698A
Cited
US3212930A
Cited
US3201281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |