US2912815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for twisting yarn
Assignee: Prince Smith and Stells Ltd
•
Filing: 1957-06-17
•
Granted: 1959-11-17
•
Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 Feather Edmund Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:51
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB243404A
Cited
US1976332A
Cited
US1969685A
Cited
US2020873A
Cited
US2216377A
Cited
US2421908A
Cited
US2571267A
Cited
US2530146A
Cited
US2474210A
Cited
US2572135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |