US3424620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: Oklahoma State University
•
Filing: 1964-11-27
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Granted: 1969-01-28
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 William L Hughes
- 👤 Claude M Summers
- 👤 Hansell Jack Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
188 words
A FUEL CELL COMPRISING: (A) AN UPRIGHT PRESSURE CONTAINING ENCLUSURE HAVING SPACED APART GAS INLETS IN THE BOTTOM AND SPACED APART GAS OUTLETS IN THE TOP; (B) A FIRST AND SECOND SPACED APART UPRIGHT ELECTRODE POSITIONED IN SAID ENCLOSURE, EACH OF SAID ELECTRODES HAVING (1) AN UPRIGHT BACK PLATE MEMBER (2) A PLURALITY OF DOWNWARDLY SLANTED PLATES EACH AFFIXED AT THE HIGHER END TO SAID BACK PLATE, SAID DOWNWARDLY SLANTED PLATES SUBSTANTIALLY EQUALLY SPACED FROM AND PARALLEL TO EACH OTHER AND EACH HAVING AT LEAST ONE OPENING THEREIN ADJACENT THE END AFFIXED TO THE BACK PLATE, AND (3) A PLURALITY OF PARALLELED UPWARDLY SLANTED PLATES EACH AFFIXED AT THE LOWER END TO SAID BACK PLATE, THE UPPER OUTER END OF EACH OF SAID UPWARDLY SLANTED PLATES TERMINATING ADJACENT TO THE LOWER SURFACE OF ONE OF SAID DOWNWARDLY SLANTED PLATES, SAID PLATES OF EACH ELECTRODE EXTENDING OVER ONE OF SAID GAS INLET OPENING IN THE BOTTOM OF SAID ENCLOSURE AND UNDER ONE OF SAID GAS OUTLET OPENINGS IN THE TOP OF SAID ENCLUSURE; AND (C) SEPARATE ELECTRICAL CONDUCTOR MEANS CONNECTING TO SAID ELECTRODES AND EXTENDING EXTERNALLY OF SAID ENCLOSURE.
Claim 2
Dependent Claim
188 words
A FUEL CELL COMPRISING: (A) AN UPRIGHT PRESSURE CONTAINING ENCLUSURE HAVING SPACED APART GAS INLETS IN THE BOTTOM AND SPACED APART GAS OUTLETS IN THE TOP; (B) A FIRST AND SECOND SPACED APART UPRIGHT ELECTRODE POSITIONED IN SAID ENCLOSURE, EACH OF SAID ELECTRODES HAVING (1) AN UPRIGHT BACK PLATE MEMBER (2) A PLURALITY OF DOWNWARDLY SLANTED PLATES EACH AFFIXED AT THE HIGHER END TO SAID BACK PLATE, SAID DOWNWARDLY SLANTED PLATES SUBSTANTIALLY EQUALLY SPACED FROM AND PARALLEL TO EACH OTHER AND EACH HAVING AT LEAST ONE OPENING THEREIN ADJACENT THE END AFFIXED TO THE BACK PLATE, AND (3) A PLURALITY OF PARALLELED UPWARDLY SLANTED PLATES EACH AFFIXED AT THE LOWER END TO SAID BACK PLATE, THE UPPER OUTER END OF EACH OF SAID UPWARDLY SLANTED PLATES TERMINATING ADJACENT TO THE LOWER SURFACE OF ONE OF SAID DOWNWARDLY SLANTED PLATES, SAID PLATES OF EACH ELECTRODE EXTENDING OVER ONE OF SAID GAS INLET OPENING IN THE BOTTOM OF SAID ENCLOSURE AND UNDER ONE OF SAID GAS OUTLET OPENINGS IN THE TOP OF SAID ENCLUSURE; AND (C) SEPARATE ELECTRICAL CONDUCTOR MEANS CONNECTING TO SAID ELECTRODES AND EXTENDING EXTERNALLY OF SAID ENCLOSURE.
Claim 3
Dependent Claim
53 words
A FUEL CELL COMPRISING: (A) AN UPRIGHT PRESSURE CONTAINING ENCLOSURE HAVING SPACED APART GAS INLETS IN THE BOTTOM AND AT LEAST ONE GAS OUTLET OPENING IN THE TOP; (B) A FIRST AND A SECOND SPACED APART UPRIGHT ELECTRODE POSITIONED IN SAID ENCLOSURE, EACH OF SAID ELECTRODES HAVING (1) AN UPRIGHT SEMI-TUBULAR BACK PLATE,
Claim 4
Dependent Claim
53 words
A FUEL CELL COMPRISING: (A) AN UPRIGHT PRESSURE CONTAINING ENCLOSURE HAVING SPACED APART GAS INLETS IN THE BOTTOM AND AT LEAST ONE GAS OUTLET OPENING IN THE TOP; (B) A FIRST AND A SECOND SPACED APART UPRIGHT ELECTRODE POSITIONED IN SAID ENCLOSURE, EACH OF SAID ELECTRODES HAVING (1) AN UPRIGHT SEMI-TUBULAR BACK PLATE,
References Cited (Backward Citations)
US3215562A
Cited
US3297485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |