US3258363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonized polyvinylidenechloride fuel cell electrode
Assignee: Leesona Corp
•
Filing: 1961-08-21
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Granted: 1966-06-28
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Harry C Lieb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/20; D01F9/21; H; H01; H01M; H01M4/00; H01M4/86; H01M4/96; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10S; Y10S8/00; Y10S8/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A FUEL CELL FOR THE DIRECTO PRODUCTION OF ELECTRICAL ENERGY FROM A FUEL AND OXIDANT COMRPISING A FUEL ELECTRODE, AN OXIDANT ELECTRODE, AND ELECTROLYTE BETWEEN SAID ELECTRODES, AND MEANS FOR SUPPLYING A FUEL AND OXIDANT TO THE RESPECTIVE ELECTRODES, AT LEAST ONE OF SAID ELECTRODES COMPRISING A BODY OF CARBONIZED POLYVINYLIDENECHLORIDE.
Claim 2
Dependent Claim
51 words
A FUEL CELL FOR THE DIRECTO PRODUCTION OF ELECTRICAL ENERGY FROM A FUEL AND OXIDANT COMRPISING A FUEL ELECTRODE, AN OXIDANT ELECTRODE, AND ELECTROLYTE BETWEEN SAID ELECTRODES, AND MEANS FOR SUPPLYING A FUEL AND OXIDANT TO THE RESPECTIVE ELECTRODES, AT LEAST ONE OF SAID ELECTRODES COMPRISING A BODY OF CARBONIZED POLYVINYLIDENECHLORIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |