Patent US2468760A successfully refreshed from Google Patents.
US3215563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous electrode and method of preparing the electrode
Assignee: General Electric Co
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Filing: 1962-05-15
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Granted: 1965-11-02
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 Peter J Clemm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:18
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A FUEL CELL COMPRISING AN ELECTROLYTE, TWO POROUS ELECTRODES, MEANS FOR FEEDING A GASEOUS FUEL TO ONE OF SAID ELECTRODES AND A GASEOUS OXIDIZER TO THE OTHER OF SAID ELECTRODES, AT LEAST ONE OF SAID ELECTRODES HAVING AN IDEALIZED PORE STRUCTURE WHICH COMPRISES A GAS IMPERVIOUS SHEET-LIKE METALLIC MATRIX MEMBER HAVING REGULARLY SPACED UNOBSTRUCTED OPENINGS EXTENDING COMPLETELY THROUGH THE MATRIX MEMBER IN A DIRECTION SUBSTANTIALLY NORMAL TO THE MAJOR SURFACES OF SAID MATRIX MEMBER, AND EACH OF SAID OPENINGS HAVING A VENTURI-SHAPED PROFILE WITH A MINIMUM DIAMETER IN THE VENTURI THROAT SECTION OF FROM ABOUT 5 TO 10 MICRONS.
Claim 2
Dependent Claim
99 words
A FUEL CELL COMPRISING AN ELECTROLYTE, TWO POROUS ELECTRODES, MEANS FOR FEEDING A GASEOUS FUEL TO ONE OF SAID ELECTRODES AND A GASEOUS OXIDIZER TO THE OTHER OF SAID ELECTRODES, AT LEAST ONE OF SAID ELECTRODES HAVING AN IDEALIZED PORE STRUCTURE WHICH COMPRISES A GAS IMPERVIOUS SHEET-LIKE METALLIC MATRIX MEMBER HAVING REGULARLY SPACED UNOBSTRUCTED OPENINGS EXTENDING COMPLETELY THROUGH THE MATRIX MEMBER IN A DIRECTION SUBSTANTIALLY NORMAL TO THE MAJOR SURFACES OF SAID MATRIX MEMBER, AND EACH OF SAID OPENINGS HAVING A VENTURI-SHAPED PROFILE WITH A MINIMUM DIAMETER IN THE VENTURI THROAT SECTION OF FROM ABOUT 5 TO 10 MICRONS.
References Cited (Backward Citations)
US2217334A
Cited
US2226381A
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GB667298A
Cited
US2765230A
Cited
US2947797A
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US3117034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |