US2438084A
Expired / Lapsed
US
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Yarn smoothing apparatus and method
Assignee: Individual
•
Filing: 1946-04-15
•
Granted: 1948-03-16
•
Expires: 1966-04-15
Abstract
No abstract record available.
Inventors
- 👤 Wood Allison Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/06; D02; D02H; D02H5/00; D02H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |