US3330702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery separator
Assignee: Yardney International Corp
•
Filing: 1962-03-20
•
Granted: 1967-07-11
•
Expires: 1982-03-20
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:17
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/44; H01M50/411; H01M50/414; H01M50/429; H01M2300/00; H01M2300/0002; H01M2300/0014; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2794753A
Cited
US3020174A
Cited
US2956899A
Cited
US2965697A
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US3101276A
Cited
US3090766A
Cited
US3008920A
Cited
US3183056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |