Patent US2901523A successfully refreshed from Google Patents.
US2901523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct production of electrical energy from the oxidation of fluid fuel
Assignee: Ruhrchemie AG
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Filing: 1956-02-09
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Granted: 1959-08-25
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Expires: 1976-02-09
Abstract
No abstract record available.
Inventors
- 👤 Justi Eduard
- 👤 Winsel August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:15
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A FUEL CELL FOR THE DIRECT PRODUCTION OF ELECTRICAL ENERGY FROM A FLUID FUEL AND AN OXIDIZING GAS, HAVING A POROUS FUEL ELECTRODE AND A POROUS OXYGEN ELECTRODE FOR THE ADSORPTION AND DE-ADSORPTION AS IONS OF FUEL AND OXYGEN, RESPECTIVELY SPACED APART IN A LIQUID ELECTROLYTE BATH, THE IMPROVEMENT WHICH COMPRISES A PARTITION HAVING MULTIPLE OPENINGS OF LESS THAN 1 MILLIMETER SIZE DEFINED
Claim 2
Dependent Claim
64 words
IN A FUEL CELL FOR THE DIRECT PRODUCTION OF ELECTRICAL ENERGY FROM A FLUID FUEL AND AN OXIDIZING GAS, HAVING A POROUS FUEL ELECTRODE AND A POROUS OXYGEN ELECTRODE FOR THE ADSORPTION AND DE-ADSORPTION AS IONS OF FUEL AND OXYGEN, RESPECTIVELY SPACED APART IN A LIQUID ELECTROLYTE BATH, THE IMPROVEMENT WHICH COMPRISES A PARTITION HAVING MULTIPLE OPENINGS OF LESS THAN 1 MILLIMETER SIZE DEFINED
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |