US3251718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen type fuel cell with foraminous electrolyte carrier
Assignee: Texas Instruments Inc
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Filing: 1961-10-26
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Granted: 1966-05-17
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 Albert R Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:29
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/02; H01M8/0289; H01M8/0295; H01M8/10; H01M8/14; H01M8/141; H01M8/142; H01M2008/147; H01M2300/00; H01M2300/0017; H01M2300/0048; H01M2300/0051; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
IN A HIGH TEMPERATURE FUEL CELLCOMPRISING POROUS FUEL AND OXIDANT ELECTRODES AND AN INORGANIC ELECTROLYTE WHICH IS SOLID AT ABOUT ROOM TEMPERATURE AND ESSENTIALLY LIQUID AT THE TEMPERATURE OF OPERATION OF SAID FUEL CELL BETWEEN AND IN CONTACT WITH SAID ELECTRODES, THE IMPROVEMENT COMPRISING A FORAMINOUS METALLIC ELECTROLYTE CARRIER HAVING AN ELECTRICALLY NONCONDUCTIVE COATING ON THE SURFACES THEREOF AND CONTAINING SUBSTANTIALLY ALL OF SAID ELECTROLYTE WITHIN THE FORAMINA OF SAID CARRIER.
References Cited (Backward Citations)
US1090372A
Cited
US2612538A
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GB806592A
Cited
US2880260A
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US2980749A
Cited
US2914596A
Cited
US3134697A
Cited
US3146131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |