US3226264A
Expired / Lapsed
US
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Method of improving lithiated nickel oxide fuel cell electrodes
Assignee: Leesona Corp
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Filing: 1962-04-18
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Granted: 1965-12-28
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Expires: 1982-04-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph A David
- 👤 John A Petrusha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:34
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8803; H01M4/8807; H01M4/8825; H01M4/8846; H01M4/8878; H01M4/8882; H01M4/8885; H01M4/90; H01M4/9016; H01M2004/8678; H01M2004/8689; H01M2300/00; H01M2300/0002; H01M2300/0017; H01M2300/0065; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE METHOD OF PREPARING AN IMPROVED FUEL CELL ELECTRODE COMPRISING THE STEPS OF FORMING A POROUS NICKEL STRUCTURE, TREATING SAID STRUCTURE IN A LITHIUM SOLUTION, SINTERING IN AN ATMOSPHERE OF OXYGEN, AND THEREAFTER HEAT TREATING THE STRUCTURE IN AN INERT ATMOSPHERE AT A TEMPERATURE OF FROM ABOUT 850 TO 1500*F. FOR A PERIOD OF FROM ABOUT 15 MINUTES TO ABOUT 2 HOURS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |