Patent US2484754A successfully refreshed from Google Patents.
Patent US3228797A successfully refreshed from Google Patents.
US3228797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous fuel cell and process of gaseous fuel cell operation
Assignee: Dow Chemical Co
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Filing: 1961-06-16
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Granted: 1966-01-11
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 William E Brown
- 👤 Charles A Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:17
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/1016; H01M8/1018; H01M8/1065; H01M8/1007; H01M8/102; H01M8/1023; H01M8/1058; H01M8/106; H01M8/1062; H01M8/1069; H01M8/1072; H01M8/1086; H01M8/1088; H01M8/04; H01M8/04082; H01M8/04089; H01M8/04119; H01M8/04156; H01M8/1004; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A GASEOUS FUEL CELL COMPRISING A PLURALITY OF FINE, FILAMENTARY, HOLLOW FIBERS FORMED OF ION EXCHANGE RESINOUS MATERIAL AND POSITINED BETWEEN AND IN DIRECT CONTACT WITH A PAIR OF GAS PERMEABLE ELECTRODES, SAID HOLLOW FIBERS 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
66 words
A GASEOUS FUEL CELL COMPRISING A PLURALITY OF FINE, FILAMENTARY, HOLLOW FIBERS FORMED OF ION EXCHANGE RESINOUS MATERIAL AND POSITINED BETWEEN AND IN DIRECT CONTACT WITH A PAIR OF GAS PERMEABLE ELECTRODES, SAID HOLLOW FIBERS 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.
References Cited (Backward Citations)
US2913511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |