Patent US3077507A successfully refreshed from Google Patents.
US3077507A
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Fuel cell electrode
Assignee: Union Carbide Corp
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Filing: 1960-05-16
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Granted: 1963-02-12
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Karl V Kordesch
- 👤 Elmer M King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:14
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/96; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A FUEL CELL ADAPTED TO DIRECTLY CONVERT THE REACTION OF AN OXIDIZING AGENT AND AN OXIDIZABLE FUEL TO ELECTRICITY WHICH COMPRISES AT LEAST TWO ELECTRODES AND AN ELECTROLYTE THEREBETWWWN, AT LEAST ONE OF SAID ELECTRODES COMPRISING AN INERT, POROUS, CONDUCTIVE SUBSTRATE AND ON SAID SUBSTRATE A UNIFORMLY THIN CONTINUOUS COATING OF GAS PREMEABLE HIGHLY ACTIVE CARBON CONSISTING OF THE DISPROPORTIONATION PRODUCT OF A GASEOUS CARBONACEOUS ATMOSPHERE IN THE PRESENCE OF A METAL CATALYST.
Claim 2
Dependent Claim
73 words
A FUEL CELL ADAPTED TO DIRECTLY CONVERT THE REACTION OF AN OXIDIZING AGENT AND AN OXIDIZABLE FUEL TO ELECTRICITY WHICH COMPRISES AT LEAST TWO ELECTRODES AND AN ELECTROLYTE THEREBETWWWN, AT LEAST ONE OF SAID ELECTRODES COMPRISING AN INERT, POROUS, CONDUCTIVE SUBSTRATE AND ON SAID SUBSTRATE A UNIFORMLY THIN CONTINUOUS COATING OF GAS PREMEABLE HIGHLY ACTIVE CARBON CONSISTING OF THE DISPROPORTIONATION PRODUCT OF A GASEOUS CARBONACEOUS ATMOSPHERE IN THE PRESENCE OF A METAL CATALYST.
References Cited (Backward Citations)
GB199736A
Cited
US913390A
Cited
US1470301A
Cited
US1678405A
Cited
US1894126A
Cited
US2000815A
Cited
US1849675A
Cited
US2154312A
Cited
GB521773A
Cited
US2358359A
Cited
US2615932A
Cited
US2669598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |