US3587220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential shrinkage yarn and fabric made therefrom
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-09-04
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Granted: 1971-06-28
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Expires: 1988-09-04
Abstract
Abstract A FABRIC COMPOSED OF YARN INCLUDING A YARN WHICH COMPRISES AT LEAST TWO STAPLE FIBRE POLYETHYLENE TEREPHTHALATE COMPONENTS OF HIGH AND LOW SHRINKAGE CARACTERISTICS, THE HIGH SHRINKAGE COMPONENT POSSESSING AT LEAST 25 PERCENT SHRINKAGE AND THE LOW SHRINKAGE COMPONENT POSSESSING LESS THAN ABOUT 5 PERCENT SHRINKAGE EXPRESSES AS THE REDUCTION IN LENGTH AS A PERCENTAGE OF THE INITIAL LENGTH, AND SOME OF THE FIBERS BEING MELT COLORED FIBERS.
Inventors
- 👤 Philip William Eggleston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |