Patent US2938258A successfully refreshed from Google Patents.
US2938258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for processing thermoplastic yarn
Assignee: English Rose Ltd
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Filing: 1958-04-18
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Granted: 1960-05-31
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Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Starkie David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:05
CPC Classifications
D; D02; D02G; D02G1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD OF MANUFACTURING SYNTHETIC FIBER YARN OF THE "STRETCH" TYPE WHICH COMPRISES FEEDING A THERMOPLASTIC YARN TO A CRIMPING STATION AT A REPETITIOUSLYFLUCTUATING LINEAR SPEED, RECEIVING THE YARN AND CONTINUING ITS TRAVEL BEYOND THE STATION AT A SPEED LESS THAN THE MEAN
Claim 2
Independent Claim
43 words
A METHOD OF MANUFACTURING SYNTHETIC FIBER YARN OF THE "STRETCH" TYPE WHICH COMPRISES FEEDING A THERMOPLASTIC YARN TO A CRIMPING STATION AT A REPETITIOUSLYFLUCTUATING LINEAR SPEED, RECEIVING THE YARN AND CONTINUING ITS TRAVEL BEYOND THE STATION AT A SPEED LESS THAN THE MEAN
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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |