Patent US3576679A successfully refreshed from Google Patents.
US3576679A
Expired / Lapsed
US
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Electrode assembly
Assignee: Gulf Energy and Environmental Systems Inc
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Filing: 1967-02-01
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Granted: 1971-04-27
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Expires: 1987-02-01
Abstract
Abstract THE DISCLOSURE SHOWS A THIN ELECTRODE ASSEMBLY FOR A STORAGE BATTERY OR FUEL CELL USING A GASEOUS REACTANT AND A LIQUID ELECTROLYTE. A STORAGE BATTERY CELL STACK EMPLOYS SEVERAL ELECTRODE ASSEMBLIES EACH CONSTRUCTED OF A THIN PLATE POROUS TO THE GASEOUS REACTANT WHICH PLATE IS CONNECTED MECHANICALLY AND ELECTRICALLY AT A PLURALITY OF POINTS ACROSS ITS SURFACE TO A VERY THIN METAL PLATE THAT IS DEFORMED TO PROVIDE A GAS PLENUM CHAMBER BETWEEN THE TWO PLATES. THE EXPOSED SURFACE OF THE DEFROMED PLATE IS USED AS A SUBSTRATE TO SUPPORT A DEPOSIT OF AN ELECTROPOSITIVE MATERIAL, LIKE ZINC, FOR THE ANODE OF THE NEXT CELL IN THE CELL STACK.
Inventors
- 👤 Paul R Shipps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:00
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/08; H01M6/00; H01M6/42; H01M6/46; H01M6/48; H01M50/00; H01M50/70; H01M50/77; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |