Patent US2522211A successfully refreshed from Google Patents.
US2522211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn conditioning apparatus for knitting machines
Assignee: Textile Machine Works
•
Filing: 1947-01-17
•
Granted: 1950-09-12
•
Expires: 1967-01-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:40
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/22; D04B35/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US412070A
Cited
US1940749A
Cited
US2018627A
Cited
GB440167A
Cited
US2046293A
Cited
US2080996A
Cited
US2181573A
Cited
FR831582A
Cited
US2269550A
Cited
US2373854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |