US3492165A
Expired / Lapsed
US
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Battery of high-temperature operating fuel cells
Assignee: Engie SA
•
Filing: 1967-10-02
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Granted: 1970-01-27
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Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 Gerard Noel Guillot
- 👤 Claude Raymond Le Bras
- 👤 Marc Georges Louichon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/24; H01M8/241; H01M8/244; H01M8/2425; H01M8/2432; H01M8/14; H01M2008/147; H01M2300/00; H01M2300/0017; H01M2300/0048; H01M2300/0051; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |