US2661589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doffing mechanism for ring spinning, doubling, and twisting machines
Assignee: TMM Research Ltd
•
Filing: 1951-04-24
•
Granted: 1953-12-08
•
Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Haythornthwaite James Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:56
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/02; D01H9/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |