US3526548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell electrodes
Assignee: Alcatel Lucent SAS
•
Filing: 1966-12-09
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Granted: 1970-09-01
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Roland Accorsi
- 👤 Claude Hespel
- 👤 Rene Vilhes
- 👤 Viry Chatillon
- 👤 Jean-Paul Pompon
- 👤 Andre Culand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:39
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126302A
Cited
US2276188A
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US3188242A
Cited
US3051769A
Cited
US3146131A
Cited
US3359134A
Cited
US3236692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |