US3183123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell electrode
Assignee: Allis Chalmers Corp
•
Filing: 1962-03-19
•
Granted: 1965-05-11
•
Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Haworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:48
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A FUEL CELL HAVING A HOUSING; AN ANODE AND A CATHODE ELECTRODE MOUNTED IN SAID HOUSING IN SPACED RELATION TO EACH OTHER; AN ELECTROLYTE DISPOSED BETWEEN SAID ELECTRODES; A FUEL DISSOLVED IN SAID ELECTROLYTE, MEANS FOR SUPPLYING AN OXIDANT TO THE CATHODE; AND SAID CATHODE COMPRISING A POROUS SUPPORT FORMED OF A CONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CARBON AND NICKEL AND HAVING A CATALYTIC COATING OF BORIDE SELECTED FROM THE GROUP CONSISTING OF THE BORIDES OF NICKEL AND COBALT.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |