US3706602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell electrode structure utilizing capillary action
Assignee: Hooker Chemical Corp
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Filing: 1969-12-18
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Granted: 1972-12-19
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Expires: 1989-12-18
Abstract
Abstract A FUEL ELECTRODE IS PROVIDED BY WRAPPING OR PRESSING A HYDROPHOBIC, POROUS SHEET OF FIBER OR PAPER, UPON WHICH A CATALYST IS DEPOSITED, INTO CONTACT WTH AN ELECTRICALLY CONDUCTIVE BASE OF SUPORT. IN USE, A LIQUID FUEL, SUBSTANTIALLY INSOLUBLE IN THE ELECTROLYTE MOVES BY CAPILLARY ACTION OR WICKS BETWEEN THE ELECTRODE BASE AND THE HYDROPHOBIC, POROUS SHEET OF MATERIAL TO CONTACT THE CATALYST AT THE ELECTROLYTE, CATALYST, FUEL INTERFACE, GENERATING ELECTRICAL CURRENT.
Inventors
- 👤 George T Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:18
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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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) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |