US2634489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin stripping apparatus
Assignee: Warwick Mills Inc
•
Filing: 1952-04-08
•
Granted: 1953-04-14
•
Expires: 1972-04-08
Abstract
No abstract record available.
Inventors
- 👤 Iii Elihu Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:53
CPC Classifications
B; B65; B65H; B65H73/00; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S209/00; Y10S209/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2267679A
Cited
US2459309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |