US2870971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding machine and method of doffing and thread-in
Assignee: Leesona Corp
•
Filing: 1953-01-15
•
Granted: 1959-01-27
•
Expires: 1973-01-15
Abstract
No abstract record available.
Inventors
- 👤 Keith John Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:45
CPC Classifications
B; B65; B65H; B65H65/00; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US664643A
Cited
US1728417A
Cited
US2042968A
Cited
US2361813A
Cited
US2481031A
Cited
US2570469A
Cited
US2617244A
Cited
US2563642A
Cited
US2630976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |