US3132462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making limited stretch bulked yarn
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1962-02-09
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Granted: 1964-05-12
•
Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Charles W Kim
- 👤 Ewart H Shattuck
- 👤 Paul W Langway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:47
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/36; D02G1/00; D02G1/20; D02G1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF MAKING A LIMITED STRETCH YARN COMPOSTED OF AT LEAST TWO FILAMENTS ONE OF WHICH IS IN THE STATE OF HAVING BEEN BULKED AND THEN TEMPORAILY SET IN STRAIGHT FORM AND THE OTHER OF WHICH IS LESS HIGHLY STRETCHABLE THAN SAID BULKED FILAMENT WHICH COMPRISES PASSING SAID FIRST MENTIONED FILAMENT THROUGH A RELAXING ZONE IN SUBSTANTIALLY TENSION-LESS STATE TO CAUSE THE BULK TO BE RESTORED
Claim 2
Independent Claim
67 words
THE METHOD OF MAKING A LIMITED STRETCH YARN COMPOSTED OF AT LEAST TWO FILAMENTS ONE OF WHICH IS IN THE STATE OF HAVING BEEN BULKED AND THEN TEMPORAILY SET IN STRAIGHT FORM AND THE OTHER OF WHICH IS LESS HIGHLY STRETCHABLE THAN SAID BULKED FILAMENT WHICH COMPRISES PASSING SAID FIRST MENTIONED FILAMENT THROUGH A RELAXING ZONE IN SUBSTANTIALLY TENSION-LESS STATE TO CAUSE THE BULK TO BE RESTORED
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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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |