US2913511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: General Electric Co
•
Filing: 1955-06-29
•
Granted: 1959-11-17
•
Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Willard T Grubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:05
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/1007; H01M8/04; H01M8/04082; H01M8/04089; H01M8/04119; H01M8/04156; H01M8/04291; H01M8/1004; H01M8/1016; H01M8/1018; H01M8/102; H01M8/1023; H01M8/1025; H01M8/1069; H01M8/1072; H01M8/1086; H01M8/1088; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A GASEOUS FUEL CELL COMPRISING A HYDRATED ION EXCHANGE RESIN MEMBRANE POSITIONED BETWEEN AND IN DIRECT CONTACT WITH A PAIR OF GAS PERMEABLE ELECTRODES, SAID MEMBRANE BEING THE SOLE ELECTROLYTE IN SAID CELL, MEANS FOR SUPPLYING A FUEL GAS TO ONE OF SAID ELECTRODES AND MEANS FOR SUPPLYING A GASEOUS OXIDANT TO THE OTHER OF SAID ELECTRODES.
Claim 2
Dependent Claim
57 words
A GASEOUS FUEL CELL COMPRISING A HYDRATED ION EXCHANGE RESIN MEMBRANE POSITIONED BETWEEN AND IN DIRECT CONTACT WITH A PAIR OF GAS PERMEABLE ELECTRODES, SAID MEMBRANE BEING THE SOLE ELECTROLYTE IN SAID CELL, MEANS FOR SUPPLYING A FUEL GAS TO ONE OF SAID ELECTRODES AND MEANS FOR SUPPLYING A GASEOUS OXIDANT TO THE OTHER OF SAID ELECTRODES.
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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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |