Patent US3138488A successfully refreshed from Google Patents.
US3138488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: General Electric Co
•
Filing: 1961-03-08
•
Granted: 1964-06-23
•
Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 William E Tragert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:47
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A FUEL CELL COMPRISING A HOLLOW MEMBER CONSISTING OF SOLID STABILIZED ZIRCONIA, SAID MEMBER COMPPRISING TWO ADJACENT PORTIONS, A FIRST SILVER ELECTRODE IN DIRECT CONTACT WITH THE EXTERIOR SURFACE OF SAID FIRST PORTION OF SAID MEMBER, A SECOND SILVER ELECTRODE IN DIRECT CONTACT WITH THE EXTERIOR SURFACE OF SAID SECOND PORTION OF SAID MEMBER, SAID ELECTRODES SPACED APART, SAID ELECTRODES CHARACTERIZED BY BEING IN LIQUID STATE AT TEMPERATURES IN THE RANGE OF 1000*C. TO 1200*C., MEANS FOR SUPPLYING A GASEOUS OXIDANT CONTAINING MOLECULAR OXYGEN TO EACH OF SAID SILVER ELECTRODES, AND MEANS FOR PROVIDING A CARBONACEOUS FUEL TO THE INTERIOR SURFACE OF SAID FIRST PORTION OF SAID MEMBER, AND MEANS FOR COOLING THE SAID SECOND PORTION OF SAID MEMBER WHEREBY THE GAS FROM SAID FIRST PORTION IS DISPROPORTIONED TO CARBON.
References Cited (Backward Citations)
US2384463A
Cited
US2890259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |