US3395047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasketed electrode fuel cell
Assignee: Monsanto Research Corp
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Filing: 1965-08-30
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Granted: 1968-07-30
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Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Peter L Terry
- 👤 Leslie L Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:31
CPC Classifications
H; H01; H01M; H01M8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A GASKETED ELECTRODE ASSEMBLY COMPRISING (1) AN ASSEMBLY OF JUXTAPOSED CELL ELEMENTS COMPRISING A WATER-REPELLING CATHODE, A WATER-SORBENT ANODE, AND A WATER-SORBENT SEPARATOR THEREBETWEEN; AND (2) EXTERNALLY COEXTENSIVE INSULATING GASKETING SURROUNDING AND RAISED ABOVE BOTH FACES OF SAID ASSEMBLY, SAID GASKETING ON EACH FACE COMPRISING ELECTRODE FACE BORDERS, AND HOLE-PIERCED EXTENSIONS PROTRUDING OUTWARDLY FROM SAID BORDERS (3) IN WHICH THE GASKETING BORDER ON THE CATHODE FACE SURROUNDS THE ENTIRE PERIPHERY OF THE CATHODE FACE, SEPARATING THE CATHODE FACE FROM THE HOLES IN THE EXTENSIONS, AND IS RECESSED AT INTERVALS BETWEEN TWO OF SAID EXTENSIONS, AND ALSO ON A PORTION OF THE BORDER WHICH IS NOT BETWEEN THE SAID TWO EXTENSIONS, BUT NOT BETWEEN THE CATHODE FACE AND ANY OF THE EXTENSIONS, AND (4) IN WHICH THE GASKETING BORDER ON THE ANODE FACE COVERS THE ANODE FACE EDGES ONLY BETWEEN THE EXTENSIONS.
Claim 2
Dependent Claim
141 words
A GASKETED ELECTRODE ASSEMBLY COMPRISING (1) AN ASSEMBLY OF JUXTAPOSED CELL ELEMENTS COMPRISING A WATER-REPELLING CATHODE, A WATER-SORBENT ANODE, AND A WATER-SORBENT SEPARATOR THEREBETWEEN; AND (2) EXTERNALLY COEXTENSIVE INSULATING GASKETING SURROUNDING AND RAISED ABOVE BOTH FACES OF SAID ASSEMBLY, SAID GASKETING ON EACH FACE COMPRISING ELECTRODE FACE BORDERS, AND HOLE-PIERCED EXTENSIONS PROTRUDING OUTWARDLY FROM SAID BORDERS (3) IN WHICH THE GASKETING BORDER ON THE CATHODE FACE SURROUNDS THE ENTIRE PERIPHERY OF THE CATHODE FACE, SEPARATING THE CATHODE FACE FROM THE HOLES IN THE EXTENSIONS, AND IS RECESSED AT INTERVALS BETWEEN TWO OF SAID EXTENSIONS, AND ALSO ON A PORTION OF THE BORDER WHICH IS NOT BETWEEN THE SAID TWO EXTENSIONS, BUT NOT BETWEEN THE CATHODE FACE AND ANY OF THE EXTENSIONS, AND (4) IN WHICH THE GASKETING BORDER ON THE ANODE FACE COVERS THE ANODE FACE EDGES ONLY BETWEEN THE EXTENSIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |