Patent US2928783A successfully refreshed from Google Patents.
US2928783A
Expired / Lapsed
US
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Porous nickel electrode
Assignee: ERA Patents Ltd
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Filing: 1957-08-21
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Granted: 1960-03-15
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Expires: 1977-08-21
Abstract
No abstract record available.
Inventors
- 👤 Bacon Francis Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:45
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A POSITIVE ELECTRODE FOR AN ELECTROLYZER COMPRISING A SOLID BACKING PLATE, A POROUS NICKEL ELECTRODE CARRIES ON ONE FACE OF SAID PLATE, THE INNER LAYER PORTION OF SAID POROUS ELECTRODE IMMEDIATELY ADJACENT THE BACKING PLATE HAVING A PORE SIZE LARGER THAN THAT OF THE OUTER LAYER TO PROVIDE PORE SPACES FOR PASSAGE OF GAS BETWEEN THE BACKING PLATE AND THE DENSER PORTION OF THE ELECTRODE, THE NICKEL PARTICLES OF SAID POROUS ELECTRODE BEING COATED WITH CONDUCTIVE LITHIUM-CONTAINING NICKEL OXIDE, AND A POROUS LAYER OF NON-CONDUCTING MATERIAL INTIMATELY ATTACHED TO AND COVERING THE OUTER AREA OF SAID POROUS ELECTRODE WHICH IS TO HAVE CONTACT WITH THE ELECTROLYTE.
Claim 2
Dependent Claim
106 words
A POSITIVE ELECTRODE FOR AN ELECTROLYZER COMPRISING A SOLID BACKING PLATE, A POROUS NICKEL ELECTRODE CARRIES ON ONE FACE OF SAID PLATE, THE INNER LAYER PORTION OF SAID POROUS ELECTRODE IMMEDIATELY ADJACENT THE BACKING PLATE HAVING A PORE SIZE LARGER THAN THAT OF THE OUTER LAYER TO PROVIDE PORE SPACES FOR PASSAGE OF GAS BETWEEN THE BACKING PLATE AND THE DENSER PORTION OF THE ELECTRODE, THE NICKEL PARTICLES OF SAID POROUS ELECTRODE BEING COATED WITH CONDUCTIVE LITHIUM-CONTAINING NICKEL OXIDE, AND A POROUS LAYER OF NON-CONDUCTING MATERIAL INTIMATELY ATTACHED TO AND COVERING THE OUTER AREA OF SAID POROUS ELECTRODE WHICH IS TO HAVE CONTACT WITH THE ELECTROLYTE.
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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |