US3350226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of suppressing corrosion in fuel cell containing alkaline hydroxide electrolyte
Assignee: Leesona Corp
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Filing: 1961-11-22
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Granted: 1967-10-31
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Expires: 1981-11-22
Abstract
No abstract record available.
Inventors
- 👤 Harry C Lieb
- 👤 Anthony M Moos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:11
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/14; H01M8/141; H01M8/04; H01M8/04082; H01M8/04089; H01M8/144; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A METHOD FOR THE PRODUCTION OF ELECTRICAL ENERGY BY THE REACTION OF AN OXIDIZING GAS, WHICH IS A SOURCE OF FREE OXYGEN AND A FUEL IN AN ELECTRO-CHEMICAL CELL HAVING A METALLIC FUEL ELECTRODE AND AN OXIDIZING ELECTRODE IN CONTACT WITH A SUBSTANTIALLY WATER-FREE ALKALINE HYDROXIDE ELECTRLYTE, AT LEAST SAID OXIDIZING ELECTRODE BEING OF THE GASEOUS DIFFUSION TYPE, THE STEP OF SUPPRESSING THE CORROSIVE TENDENCIES OF SAID HYDROXIDE ITH RESPECT TO SAID METALLIC ELECTRODE BY MAINTAINING SAID OXIDIZING ELECTRODE IN CONTACT WITH WATER VAPOR.
Claim 2
Dependent Claim
85 words
IN A METHOD FOR THE PRODUCTION OF ELECTRICAL ENERGY BY THE REACTION OF AN OXIDIZING GAS, WHICH IS A SOURCE OF FREE OXYGEN AND A FUEL IN AN ELECTRO-CHEMICAL CELL HAVING A METALLIC FUEL ELECTRODE AND AN OXIDIZING ELECTRODE IN CONTACT WITH A SUBSTANTIALLY WATER-FREE ALKALINE HYDROXIDE ELECTRLYTE, AT LEAST SAID OXIDIZING ELECTRODE BEING OF THE GASEOUS DIFFUSION TYPE, THE STEP OF SUPPRESSING THE CORROSIVE TENDENCIES OF SAID HYDROXIDE ITH RESPECT TO SAID METALLIC ELECTRODE BY MAINTAINING SAID OXIDIZING ELECTRODE IN CONTACT WITH WATER VAPOR.
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |