Patent US3544373A successfully refreshed from Google Patents.
US3544373A
Expired / Lapsed
US
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Electrochemical cell with layered electrode of ceramic and carbon and method
Assignee: Motors Liquidation Co
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Filing: 1966-05-16
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Granted: 1970-12-01
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Dominicus A J Swinkels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:57
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/18; H01M8/184; 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)
US2921110A
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US3201282A
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US3116170A
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US3337369A
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US3276909A
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US3274029A
Cited
US3260620A
Cited
FR1386878A
Cited
US3407094A
Cited
US3214296A
Cited
US3400054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |