Patent US3275732A successfully refreshed from Google Patents.
US3275732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing thick and thin novelty yarns
Assignee: Fiber Industries Inc
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Filing: 1963-07-05
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Granted: 1966-09-27
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Macleod Roderick Bruce
- 👤 Paliyenko Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:56
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/229; D01; D01D; D01D5/00; D01D5/20; D01F; D01F6/00; D01F6/58; D01F6/62; D02J1/227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR PRODUCING POLYMETHYLENE TEREPHTHALATE YARN HAVING RANDOMLY SPACED THICK AND THIN SECTIONS WHICH COMPRISES DRAWING UNDRAWING UNDRAWN POLYMETHYLENE TEREPHTHALATE YARN HAVING A BIREFRINGENCE FROM ABOUT 0.0005 TO ABOUT 0.009 FROM ABOUT 2.8 TO ABOUT 3.5 TIMES ITS ORGANIAL LENGTH, AT A TEMPERATURE OF SAID UNDRAWN YARN IN THE RANGE FROM ABOUT 30*C. TO THE SECOND ORDER TRANSITION TEMPERATURE OF SAID UNDRAWN YARN, AT DRAWING SPEEDS IN THE RANGE FROM ABOUT 1100 TO ABOUT 1600 FEET
Claim 2
Dependent Claim
77 words
A PROCESS FOR PRODUCING POLYMETHYLENE TEREPHTHALATE YARN HAVING RANDOMLY SPACED THICK AND THIN SECTIONS WHICH COMPRISES DRAWING UNDRAWING UNDRAWN POLYMETHYLENE TEREPHTHALATE YARN HAVING A BIREFRINGENCE FROM ABOUT 0.0005 TO ABOUT 0.009 FROM ABOUT 2.8 TO ABOUT 3.5 TIMES ITS ORGANIAL LENGTH, AT A TEMPERATURE OF SAID UNDRAWN YARN IN THE RANGE FROM ABOUT 30*C. TO THE SECOND ORDER TRANSITION TEMPERATURE OF SAID UNDRAWN YARN, AT DRAWING SPEEDS IN THE RANGE FROM ABOUT 1100 TO ABOUT 1600 FEET
References Cited (Backward Citations)
US2734794A
Cited
US3117055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |