US3294587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: Pullman Inc
•
Filing: 1962-03-01
•
Granted: 1966-12-27
•
Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph Adrien M Leduc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M12/06; H01M10/00; H01M10/42; H01M10/4242; H01M8/00; H01M8/22; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A METHOD FOR THE GENERATION OF ELECTRICAL ENERGY WHICH COMPRISES PROVIDING AN ELECTROCHEMICAL CELL CONTAINING AN AQUEOUS MEDIUM AND HAVING AT LEAST ONE ANODE AND AT LEAST ONE CATHODE THEREIN, SAID AQUEOUS MEDIUM HAVING A ALKALI METAL HDYROXIDE AND AN ALKALINE EARTH METAL SALT DISSOLVED THEREIN, SAID ANODE BEING IN CONTACT WITH A FUEL COMPRISING AN ELEMENTAL ALKALINE EARTH METAL, PASSING A GAS COMPRISING OXYGEN INTO CELL SUCH THAT IT IS CONTACTED WITH THE CATHODE, MAINTAINING SAID AQUEOUS MEDIUM IN THE LIQUID PHASE AND AT A TEMPERATURE TURE BETWEEN ABOUT 20*C. AND ABOUT 250*C., ELECTRICAL ENERGY THEREBY BEING GENERATED BY REACTION OF ELEMENTAL ALKALINE EARTH METAL AT THE ANODE TO FORM CORRESPONDINGG ALKALINE EARTH METAL CATIONS AND OF OXYGEN AT THE CATHODE TO FORM HYDROXYL ANIONS.
Claim 2
Independent Claim
126 words
A METHOD FOR THE GENERATION OF ELECTRICAL ENERGY WHICH COMPRISES PROVIDING AN ELECTROCHEMICAL CELL CONTAINING AN AQUEOUS MEDIUM AND HAVING AT LEAST ONE ANODE AND AT LEAST ONE CATHODE THEREIN, SAID AQUEOUS MEDIUM HAVING A ALKALI METAL HDYROXIDE AND AN ALKALINE EARTH METAL SALT DISSOLVED THEREIN, SAID ANODE BEING IN CONTACT WITH A FUEL COMPRISING AN ELEMENTAL ALKALINE EARTH METAL, PASSING A GAS COMPRISING OXYGEN INTO CELL SUCH THAT IT IS CONTACTED WITH THE CATHODE, MAINTAINING SAID AQUEOUS MEDIUM IN THE LIQUID PHASE AND AT A TEMPERATURE TURE BETWEEN ABOUT 20*C. AND ABOUT 250*C., ELECTRICAL ENERGY THEREBY BEING GENERATED BY REACTION OF ELEMENTAL ALKALINE EARTH METAL AT THE ANODE TO FORM CORRESPONDINGG ALKALINE EARTH METAL CATIONS AND OF OXYGEN AT THE CATHODE TO FORM HYDROXYL ANIONS.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |