US3284240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cells for generating electrical energy employing a hydrogen peroxide electrolyte in contact with an improved platinum electrode
Assignee: EIDP Inc
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Filing: 1962-12-20
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Granted: 1966-11-08
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Elbert V Kring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:57
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8878; H01M4/8882; H01M4/8825; H01M4/8853; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A FUEL CELL FOR THE GENERATION OF ELECTRICAL ENERGY, THE COMBINATION THEREWITH OF AN ELECTRODE IN CONTACT WITH AN ACIDIC ELECTROLYTE HAVING DISSOLVED THEREIN A PEROXYGEN COMPOUND, SAID ELECTRODE COMPRISING AN ACTIVE PLATINUM SURFACE WHICH HAS BEEN HEATED TO A TEMPERATURE OF AT LEAST 200* C. IN AN ATMOSPHERE COMPRISING MOLECULAR OXYGEN.
Claim 2
Dependent Claim
53 words
IN A FUEL CELL FOR THE GENERATION OF ELECTRICAL ENERGY, THE COMBINATION THEREWITH OF AN ELECTRODE IN CONTACT WITH AN ACIDIC ELECTROLYTE HAVING DISSOLVED THEREIN A PEROXYGEN COMPOUND, SAID ELECTRODE COMPRISING AN ACTIVE PLATINUM SURFACE WHICH HAS BEEN HEATED TO A TEMPERATURE OF AT LEAST 200* C. IN AN ATMOSPHERE COMPRISING MOLECULAR OXYGEN.
References Cited (Backward Citations)
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US2921110A
Cited
US3012086A
Cited
US3092517A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |