US3147150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery electrode separator
Assignee: Yardney International Corp
•
Filing: 1957-12-16
•
Granted: 1964-09-01
•
Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Meyer
- 👤 Horowitz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:40
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/44; H01M50/411; H01M50/414; H01M50/423; H01M50/449; H01M50/454; H01M50/489; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR958891A
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USRE24222E
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US1358858A
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US2510262A
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US2591755A
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US2681320A
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US2728737A
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US2774108A
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US2714097A
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DE1000350B
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US2882186A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |