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US3226264A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of improving lithiated nickel oxide fuel cell electrodes

Assignee: Leesona Corp
•
Filing: 1962-04-18
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Granted: 1965-12-28
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Expires: 1982-04-18
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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 09:33
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)

US2708211A Cited
US2716670A Cited
US2914596A Cited
US3042551A Cited

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

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