US3551207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-03-30
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Granted: 1970-12-29
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Walter A Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:47
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
89 words
A FUEL CELL COMPRISING IN COMBINATION A FIRST COMPARTMENT, A SECOND COMPARTMENT, A FIRST TRANSFER MEANS FOR INTRODUCING A FLUID FUEL TO SAID FIRST COMPARTMENT, A SECOND TRANSFER MEANS FOR INTRODUCING AN OXIDIZING GAS TO SAID SECOND COMPARTMENT, AND A CENTRAL REACTOR ASSEMBLY COMPRISING AT LEAST TWO ELECTROLYTE PERMEABLE ELECTRODES PROVIDING AN ANODE AND A CATHODE, A CATALYST FREE ELECTROLYTE BETWEEN AND IN CONTACT WITH SUCH ELECTRODES PROVIDING A MEDIUM FOR IONIC TRANSFER THEREBETWEEN, AND CONDUCTING MEANS ESTABLISHING ELECTRICAL CONNECTION BETWEEN SAID ANODE AND CATHODE EXTERNAL TO SAID ELECTROLYTE,
Claim 2
Dependent Claim
89 words
A FUEL CELL COMPRISING IN COMBINATION A FIRST COMPARTMENT, A SECOND COMPARTMENT, A FIRST TRANSFER MEANS FOR INTRODUCING A FLUID FUEL TO SAID FIRST COMPARTMENT, A SECOND TRANSFER MEANS FOR INTRODUCING AN OXIDIZING GAS TO SAID SECOND COMPARTMENT, AND A CENTRAL REACTOR ASSEMBLY COMPRISING AT LEAST TWO ELECTROLYTE PERMEABLE ELECTRODES PROVIDING AN ANODE AND A CATHODE, A CATALYST FREE ELECTROLYTE BETWEEN AND IN CONTACT WITH SUCH ELECTRODES PROVIDING A MEDIUM FOR IONIC TRANSFER THEREBETWEEN, AND CONDUCTING MEANS ESTABLISHING ELECTRICAL CONNECTION BETWEEN SAID ANODE AND CATHODE EXTERNAL TO SAID ELECTROLYTE,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |