US3432353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell electrode
Assignee: ABB Norden Holding AB
•
Filing: 1966-02-28
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Granted: 1969-03-11
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Otto Von Krusenstierna
- 👤 Ingemar Lindholm
- 👤 Gunnar Malmberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:16
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/02; H01M8/0202; H01M8/0258; H01M8/0263; H01M4/00; H01M4/86; H01M8/0204; H01M8/0223; H01M8/0228; H01M8/0247; H01M8/0256; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A FUEL CELL COMPRISING A PAIR OF SPACED ELECTRODE ELEMENTS DEFINING A SPACE FOR A MEDIUM REACTING AT THE ELECTRODE ELEMENTS IN THE FORM OF A FUEL OR AN OXIDANT, THE IMPROVEMENT IN WHICH SAID SPACE IS PROVIDED WITH AN INLET AND AN OUTLET FOR A MEDIUM SUPPLIED TO THE SPACE AND PARTIALLY CONSUMED DURING ITS PASSAGE THROUGH THE SPACE, AND MEANS DIVIDING THE SPACE INTO TWO CHANNELS RUNNING SIDE BY SIDE AND LYING IN THE SAME PLANE, SAID DIVIDING MEANS COMPRISING INTERMEDIATE WALLS, THE MEDIUM ON BOTH SIDES JOF EACH INTERMEDIATE WALL FLOWING IN OPPOSITE DIRECTIONS IN RELATION TO SAID INTERMEDIATE WALL, THE FIRST END OF THE FIRST CHANNEL CONSTITUTING THE INLET FOR THE MEDIUM, THE SECOND END OF THE FIRST CHANNEL BEING CONNECTED TO THE FIRST END OF THE SECOND CHANNEL, THE SECOND END OF THE SECOND CHANNEL CONSTITUTING THE OUTLET FOR THE MEDIUM.
Claim 2
Dependent Claim
147 words
IN A FUEL CELL COMPRISING A PAIR OF SPACED ELECTRODE ELEMENTS DEFINING A SPACE FOR A MEDIUM REACTING AT THE ELECTRODE ELEMENTS IN THE FORM OF A FUEL OR AN OXIDANT, THE IMPROVEMENT IN WHICH SAID SPACE IS PROVIDED WITH AN INLET AND AN OUTLET FOR A MEDIUM SUPPLIED TO THE SPACE AND PARTIALLY CONSUMED DURING ITS PASSAGE THROUGH THE SPACE, AND MEANS DIVIDING THE SPACE INTO TWO CHANNELS RUNNING SIDE BY SIDE AND LYING IN THE SAME PLANE, SAID DIVIDING MEANS COMPRISING INTERMEDIATE WALLS, THE MEDIUM ON BOTH SIDES JOF EACH INTERMEDIATE WALL FLOWING IN OPPOSITE DIRECTIONS IN RELATION TO SAID INTERMEDIATE WALL, THE FIRST END OF THE FIRST CHANNEL CONSTITUTING THE INLET FOR THE MEDIUM, THE SECOND END OF THE FIRST CHANNEL BEING CONNECTED TO THE FIRST END OF THE SECOND CHANNEL, THE SECOND END OF THE SECOND CHANNEL CONSTITUTING THE OUTLET FOR THE MEDIUM.
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |