US3252838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell having rotatable electrode
Assignee: Thales SA
•
Filing: 1962-01-12
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Granted: 1966-05-24
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Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Huber Harry
- 👤 Bihan Raymond Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
H; H01; H01M; H01M8/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A FUEL CELL COMPRISING A LIQUID ELECTROLYTE BATH, PLATE MEANS SPACED APART AND PARTIALLY IMMERSED IN SAID ELECTROLYTE, SAID PLATE MEANS BEING ADAPTED TO ROTATE, EACH PLATE MEANS COMPRISING AT LEAST ONE SECTOR-SHAPED ELECTRODE AND AN INSULATING SECTOR, MEANS FOR SUPPLYING GASEOUS FUEL AND OXIDIZING GAS TO SAID PLATE MEANS, AND OUTPUT MEANS TO ENABLE EXTRACTION OF ELECTRICAL ENERGY FROM SAID ELECTRODES.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |