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US3219730A
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Method of making fuel cell elements
Assignee: Gas Technology Institute
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Filing: 1961-06-27
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Granted: 1965-11-23
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jerald L Bliton
- 👤 Harold L Rechter
- 👤 James S Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:48
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/90; H01M4/9041; H01M4/905; H01M8/00; H01M8/10; H01M8/12; H01M8/124; H01M8/1246; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF MAKING A FUEL CELL ELEMENT WHICH COMPRISED FORMING A BASE CAPABLE OF REMOVAL BY CHEMICAL ACTION, FORMING ON THE BASE A SINTERED FILM OF A MIXED OXIDE COMPOSED OF A HOST OXIDE TAKEN FROM THE GROUP CONSISTING OF ZRO2, HFO2, THO2 AND UO2, AND A MIXING OXIDE TAKEN FROM THE GROUP CONSISTING OF CAO AND MGO, FORMING OVER THE FILM A COATING OF SINTERED METAL DEFINING A CONDUCTIVE METAL ELECTRODE, AND REMOVEING THE BASE FROM THE FILM AND COATING WITHOUT AFFECTING THE FILM OR COATING, AND HEATING THE FILM AND COATING TO AN ELEVATED TEMPERATURE BELOW THE MELTING POINT OF THE COATING TO REMOVE STRAINS.
Claim 2
Independent Claim
108 words
THE METHOD OF MAKING A FUEL CELL ELEMENT WHICH COMPRISED FORMING A BASE CAPABLE OF REMOVAL BY CHEMICAL ACTION, FORMING ON THE BASE A SINTERED FILM OF A MIXED OXIDE COMPOSED OF A HOST OXIDE TAKEN FROM THE GROUP CONSISTING OF ZRO2, HFO2, THO2 AND UO2, AND A MIXING OXIDE TAKEN FROM THE GROUP CONSISTING OF CAO AND MGO, FORMING OVER THE FILM A COATING OF SINTERED METAL DEFINING A CONDUCTIVE METAL ELECTRODE, AND REMOVEING THE BASE FROM THE FILM AND COATING WITHOUT AFFECTING THE FILM OR COATING, AND HEATING THE FILM AND COATING TO AN ELEVATED TEMPERATURE BELOW THE MELTING POINT OF THE COATING TO REMOVE STRAINS.
References Cited (Backward Citations)
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |