US3282735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell including platinum containing electrodes
Assignee: EIDP Inc
•
Filing: 1963-02-25
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Granted: 1966-11-01
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Elbert V Kring
- 👤 Jr William R Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:58
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
83 words
A FLUID CELL COMPRISING: (A) AN ACIDIC AQUEOUS ELECTROLYTE; (B) A MEMBRANE SEPARATING SAID ELECTROLYTE INTO A CATHOLYTE PORTION HAVING DISSOLVED THEREIN A PEROXYGEN COMPOUND AND AN ANOLYTE PORTION HAVING DISSOLVED THEREIN A FUEL, SAID MEMBRANE BEING PERMEABLE TO HYDRONIUM IONS BUT IMPERMEABLE TO SAID PEROXYGEN COMPOUND AND SAID FUEL; (C) A CATHODE IN CONTACT WITH SAID CATHOLYTE PORTION, WHICH CATHODE COMPRISES AN ACTIVE ELECTRODEPOSITED PLATINUM SURFACE WHICH HAS BEEN HEATED AT A TEMPERATURE OF AT LEAST 200*C. IN AN ATMOSPHERE COMPRISING MOLECULAR
Claim 2
Dependent Claim
83 words
A FLUID CELL COMPRISING: (A) AN ACIDIC AQUEOUS ELECTROLYTE; (B) A MEMBRANE SEPARATING SAID ELECTROLYTE INTO A CATHOLYTE PORTION HAVING DISSOLVED THEREIN A PEROXYGEN COMPOUND AND AN ANOLYTE PORTION HAVING DISSOLVED THEREIN A FUEL, SAID MEMBRANE BEING PERMEABLE TO HYDRONIUM IONS BUT IMPERMEABLE TO SAID PEROXYGEN COMPOUND AND SAID FUEL; (C) A CATHODE IN CONTACT WITH SAID CATHOLYTE PORTION, WHICH CATHODE COMPRISES AN ACTIVE ELECTRODEPOSITED PLATINUM SURFACE WHICH HAS BEEN HEATED AT A TEMPERATURE OF AT LEAST 200*C. IN AN ATMOSPHERE COMPRISING MOLECULAR
References Cited (Backward Citations)
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |