US3091912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of processing stretch yarn and yarns produced thereby
Assignee: Leesona Corp
•
Filing: 1957-04-19
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Granted: 1963-06-04
•
Expires: 1977-04-19
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Stoddard
- 👤 Warren A Seem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:45
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/227; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/20; D02G1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE METHOD OF PROCESSING MULTIFILAMENT "TORQUE STRETCH YARN" WHOSE STRETCH CHARACTERISTICS HAVE BEEN SET AT A GIVEN TEMPERATURE COMPRISING THE STEPS OF CONTINUOUSLY ADVANCING THE YARN, CONTROLLING THE DEGREE OF TENSION IN SAID TRAVELLING YARN IN AT LEAST ONE PORTION OF ITS CONTINUOUS TRAVEL, SAID TENSION BEING BELOW THE BREAKING TENSION OF THE STRUCTURAL ELEMENTS OF THE YARN, HEATING SAID YARN DURING SAID PORTION OF ITS CONTINUOUS TRAVEL TO A TEMPERATURE NOT SUBSTANTIALLY GREATER THAN SAID GIVEN TEMPERATURE AND CORRELATING THE CONTROLLED TENSION AND THE HEAT IMPARTED TO SAID YARN WITH THE TENSILE FORCE NECESSARY TO EXTEND THE YARN TO THE LIMIT OF ITS STRETCH CHARACTERISTICS AND THE TENSILE FORCE NECESSARY TO EXTEND THE YARN TO THE YIELD POINT OF THE STRUCTURAL ELEMENTS OF THE YARN TO THEREBY CONTROL THE PHYSICAL CHARACTERISTICS IN THE REPROCESSED YARN.
Claim 2
Independent Claim
136 words
THE METHOD OF PROCESSING MULTIFILAMENT "TORQUE STRETCH YARN" WHOSE STRETCH CHARACTERISTICS HAVE BEEN SET AT A GIVEN TEMPERATURE COMPRISING THE STEPS OF CONTINUOUSLY ADVANCING THE YARN, CONTROLLING THE DEGREE OF TENSION IN SAID TRAVELLING YARN IN AT LEAST ONE PORTION OF ITS CONTINUOUS TRAVEL, SAID TENSION BEING BELOW THE BREAKING TENSION OF THE STRUCTURAL ELEMENTS OF THE YARN, HEATING SAID YARN DURING SAID PORTION OF ITS CONTINUOUS TRAVEL TO A TEMPERATURE NOT SUBSTANTIALLY GREATER THAN SAID GIVEN TEMPERATURE AND CORRELATING THE CONTROLLED TENSION AND THE HEAT IMPARTED TO SAID YARN WITH THE TENSILE FORCE NECESSARY TO EXTEND THE YARN TO THE LIMIT OF ITS STRETCH CHARACTERISTICS AND THE TENSILE FORCE NECESSARY TO EXTEND THE YARN TO THE YIELD POINT OF THE STRUCTURAL ELEMENTS OF THE YARN TO THEREBY CONTROL THE PHYSICAL CHARACTERISTICS IN THE REPROCESSED YARN.
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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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |