US3266939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: Allis Chalmers Corp
•
Filing: 1961-01-26
•
Granted: 1966-08-16
•
Expires: 1981-01-26
Abstract
No abstract record available.
Inventors
- 👤 James W Adam
- 👤 Bruce H Fiedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:19
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A FUEL CELL HAVING A HOUSING, A NONCONSUMABLE FUEL ELECRTRODE CARRYING A CATALYST SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM, IRIDIUM, RHODIUM, OSMIUM, AND RUTHENIUM, AND A NONCONSUMABLE OXIDANT ELECTRODE CARRYING A CATALYST SELECTED FROM THE GROUP CONSISTING OF SILVER, COBALT, NICKEL AND THE OXIDES OF SILVER, COBALT, NICKEL AND IRON MOUNTED IN SAID HOUSING IN SPACED APART RELATION TO EACH OTHER; A UNITARY FUEL-ODXIDANT-ELECTROLYTE SOLUTION CONTAINED IN SAID HOUSING; THE IMPROVEMENT COMPRISING HAVING EACH ELECTRODE AT LEAST PARTIALLY IMMERSED IN SAID SOLUTION COMPRISING BY VOLUME FROM ABOUT 5 TO ABOUT 50 PERCENT OF A FUEL SELECTED FROM THE GROUP CONSISTING OF METHANOL AND ETHANOL FROM ABOUT 0.5 TO ABOUT 5 PERCENT HYDROGEN PEROXIDE OXIDANT, AND THE REMAINDER AN AQUEOUS ALKALI HYDROXIDE ELECTROLYTE.
Claim 2
Dependent Claim
125 words
IN A FUEL CELL HAVING A HOUSING, A NONCONSUMABLE FUEL ELECRTRODE CARRYING A CATALYST SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM, IRIDIUM, RHODIUM, OSMIUM, AND RUTHENIUM, AND A NONCONSUMABLE OXIDANT ELECTRODE CARRYING A CATALYST SELECTED FROM THE GROUP CONSISTING OF SILVER, COBALT, NICKEL AND THE OXIDES OF SILVER, COBALT, NICKEL AND IRON MOUNTED IN SAID HOUSING IN SPACED APART RELATION TO EACH OTHER; A UNITARY FUEL-ODXIDANT-ELECTROLYTE SOLUTION CONTAINED IN SAID HOUSING; THE IMPROVEMENT COMPRISING HAVING EACH ELECTRODE AT LEAST PARTIALLY IMMERSED IN SAID SOLUTION COMPRISING BY VOLUME FROM ABOUT 5 TO ABOUT 50 PERCENT OF A FUEL SELECTED FROM THE GROUP CONSISTING OF METHANOL AND ETHANOL FROM ABOUT 0.5 TO ABOUT 5 PERCENT HYDROGEN PEROXIDE OXIDANT, AND THE REMAINDER AN AQUEOUS ALKALI HYDROXIDE ELECTROLYTE.
References Cited (Backward Citations)
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Cited
US2706213A
Cited
US2912478A
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US2925454A
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US2773561A
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US2969315A
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US2976342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |