US2649254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for winding yarn
Assignee: EIDP Inc
•
Filing: 1947-02-08
•
Granted: 1953-08-18
•
Expires: 1967-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward S Balthrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:34
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/38; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1728413A
Cited
US679416A
Cited
US1234388A
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US1397905A
Cited
US2019364A
Cited
US2345601A
Cited
US2358294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |