US3101285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cells
Assignee: National Research Development Corp UK
•
Filing: 1961-03-27
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Granted: 1963-08-20
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Tantram Anthony Desmond Shand
- 👤 Harris Bryan Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/8605; H01M4/8626; H01M8/00; H01M8/02; H01M8/0202; H01M8/0258; H01M8/0263; H01M8/24; H01M8/2457; H01M8/2459; H01M8/2465; H01M8/2484; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN ELECTRODE FOR A FUEL CELL COMPRISING A SUPPORT MEMBER IN THE FORM OF A THIN PLATE, AT LEAST ONE FACE OF THE SUPPORT MEMBER BEING SHAPED TO DEFINE TWO SETS OF GROOVES ONE SET FOR SUPPLYING FRESH GAS AND THE OTHER SET FOR REMOVAL OF SPENT GAS, THE TWO SETS OF GROOVES BEING INTERLEAVED, A POROUS LAYER OF ELECTRODE MATERIAL ATTACHED TO THE SAID FACE AND MEANS FOR SUPPLYING FRESH AS TO ONE SET OF GROOVES AND MEANS FOR EXHAUSTING SPENT GAS FROM THE OTHER SET OF GROOVES.
Claim 2
Dependent Claim
89 words
AN ELECTRODE FOR A FUEL CELL COMPRISING A SUPPORT MEMBER IN THE FORM OF A THIN PLATE, AT LEAST ONE FACE OF THE SUPPORT MEMBER BEING SHAPED TO DEFINE TWO SETS OF GROOVES ONE SET FOR SUPPLYING FRESH GAS AND THE OTHER SET FOR REMOVAL OF SPENT GAS, THE TWO SETS OF GROOVES BEING INTERLEAVED, A POROUS LAYER OF ELECTRODE MATERIAL ATTACHED TO THE SAID FACE AND MEANS FOR SUPPLYING FRESH AS TO ONE SET OF GROOVES AND MEANS FOR EXHAUSTING SPENT GAS FROM THE OTHER SET OF GROOVES.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |