Patent US3129485A successfully refreshed from Google Patents.
US3129485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of novelty bulked yarn
Assignee: Joseph Bancroft and Sons Co
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Filing: 1961-06-30
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Granted: 1964-04-21
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Ewart H Shattuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:03
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/20; D02G1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF MAKING A VARIABLY BULKED YARN COMPOSED OF CONTINUOUS FILAMENTS OF A HEAT-SETTABLE MATERIAL, WHICH COMPRISES IMPARTING AN ARTIFICAL CRIMP TO SAID FILAMENTS, HEAT-SETTING SAID CRIMP IN SAID FILAMENTS, PLACING SAID FILAMENTS UNDER A TENSION ADAPTED TO SUBSTANTIALLY PULL OUT THE CRIMP AND BRING THE FILAMENTS TO STRAIGHT FORM, TEMPORARILY SETTING THE FILAMENTS IN STRAIGHT FORM, TEMPORARILY SETTING THE FILAMENTS IN STRAIGHT FORM UNDER CONDITIONS SUCH THAT THE CRIMP IS RESTORED WHEN THE TEMPORARY STRAIGHT SET IS RELAXED, AND HEATING SELECTED AREAS ONLY OF SAID FILAMENTS WHILE IN SUCH STRAIGHT FORM
Claim 2
Independent Claim
93 words
THE METHOD OF MAKING A VARIABLY BULKED YARN COMPOSED OF CONTINUOUS FILAMENTS OF A HEAT-SETTABLE MATERIAL, WHICH COMPRISES IMPARTING AN ARTIFICAL CRIMP TO SAID FILAMENTS, HEAT-SETTING SAID CRIMP IN SAID FILAMENTS, PLACING SAID FILAMENTS UNDER A TENSION ADAPTED TO SUBSTANTIALLY PULL OUT THE CRIMP AND BRING THE FILAMENTS TO STRAIGHT FORM, TEMPORARILY SETTING THE FILAMENTS IN STRAIGHT FORM, TEMPORARILY SETTING THE FILAMENTS IN STRAIGHT FORM UNDER CONDITIONS SUCH THAT THE CRIMP IS RESTORED WHEN THE TEMPORARY STRAIGHT SET IS RELAXED, AND HEATING SELECTED AREAS ONLY OF SAID FILAMENTS WHILE IN SUCH STRAIGHT FORM
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |