Patent US3141624A successfully refreshed from Google Patents.
US3141624A
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Assignee: Akzo Nobel UK PLC
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Filing: 1962-03-23
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Granted: 1964-07-21
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 Gentle Alexander Henderson
- 👤 Bliss Gerald William Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:20
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/26; B65H59/32; B65H59/34; B65H2515/00; B65H2515/12; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S242/00; Y10S242/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A METHOD OF PRODUCING A YARN SHRUNK SUBSTANTIALLY UNIFORMLY THROUGHOUT ITS LENGTH, COMPRISING WINDING A SHRINKABLE YARN ONTO A SUBSTANTIALLY CYLINDRICAL FORMER UNDER A YARN TENSION, AND DECREASING THE TENSION ON THE YARN CONTINUOUSLY DURING THE WINDING, THEREBY PRODUCING A PACKAGE IN WHICH THE TENSION IN THE YARN VARIES CONTINUOUSLY THROUGHOUT THE PACKAGE FROM A MAXIMUM VALUE AT THE CORE OF THE PACKAGE TO A MINIMUM VALUE AT THE OUTSIDE OF THE PACKAGE, REMOVING THE FORMER FROM THE PACKAGE AND SUBSEQUENTLY SHRINKING THE YARN IN THE PACKAGE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |