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US3508969A
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US
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Galvanic cell with removable barrier between electrolyte and electrode and process for activating cell
Assignee: Motors Liquidation Co
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Filing: 1966-05-18
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Granted: 1970-04-28
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert D Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:07
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M8/00; H01M8/10; H01M8/1016; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2921110A
Cited
US3043898A
Cited
US3031518A
Cited
US3228801A
Cited
US3321335A
Cited
US3332804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |