US3383248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery having a cured polyisoprene separator
Assignee: Motors Liquidation Co
•
Filing: 1966-02-25
•
Granted: 1968-05-14
•
Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Donald V Badgley
- 👤 Webster T Van Fleet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:39
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/489; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2653987A
Cited
US2711434A
Cited
US2989513A
Cited
US2970128A
Cited
US3054843A
Cited
US3026366A
Cited
US3328208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |