Patent US3152015A successfully refreshed from Google Patents.
US3152015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cells for the production of electrical energy
Assignee: Veolia WTS Systems USA Inc
•
Filing: 1961-09-25
•
Granted: 1964-10-06
•
Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Tirrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:43
CPC Classifications
H; H01; H01M; H01M8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A FUEL CELL OF THE CHARACTER DESCRIBED COMPRISING A PAIR OF SPACED POROUS ELECTRODES; A FIRST ION-PERMEABLE MEMBRANE ON ONE SIDE OF ONE OF SAID ELECTRODES; A SPACED SEOCND ION-PERMEABLE MEMBRANE ON ONE SIDE OF THE SECOND OF SAID ELECTRODES, SAID ION-PERMEABLE MEMBRANES FURTHER CHARACTERIZED IN THAT THEY SUBSTANTIALLY PRECLUDE PASAGE OF GAS; AND A SOLUTION OF ELECTROLYTE BETWEEN AND IN INTIMATE CONTACT WITH EACH OF SAID IN-PERMEABLE MEMBRANES.
Claim 2
Dependent Claim
69 words
A FUEL CELL OF THE CHARACTER DESCRIBED COMPRISING A PAIR OF SPACED POROUS ELECTRODES; A FIRST ION-PERMEABLE MEMBRANE ON ONE SIDE OF ONE OF SAID ELECTRODES; A SPACED SEOCND ION-PERMEABLE MEMBRANE ON ONE SIDE OF THE SECOND OF SAID ELECTRODES, SAID ION-PERMEABLE MEMBRANES FURTHER CHARACTERIZED IN THAT THEY SUBSTANTIALLY PRECLUDE PASAGE OF GAS; AND A SOLUTION OF ELECTROLYTE BETWEEN AND IN INTIMATE CONTACT WITH EACH OF SAID IN-PERMEABLE MEMBRANES.
References Cited (Backward Citations)
US2700063A
Cited
US2913511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |