US2909028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual torque yarn and method of making same
Assignee: Patentex Inc
•
Filing: 1956-06-06
•
Granted: 1959-10-20
•
Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Comer
- 👤 Devoy W Terrell
- 👤 Charlie A Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:17
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/024
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
59 words
THAT METHOD OF IMPARTING LIVELINESS TO A SYNTHETIC YARN WHICH COMPRISES CONTINUOUSLY TWISING HEAT-SETTING AND UNTWISTING SAID YARN, THEN CONTINUOUSLY TWISTING SAID YARN WHILE ALTERNATELY HEAT-SETTING SECTIONS OF SAID YARN, THEN UNTWISTING SAID YARN WITH THE SECOND TWISTING BEING IN A DIRECTION OPPOSITE TO THE INTIAL TWISTING AND THE SECOND SETTING TEMPERATURE BEING HIGHER THAN THE INITIAL SETTING TEMPERATURE.
Claim 2
Dependent Claim
59 words
THAT METHOD OF IMPARTING LIVELINESS TO A SYNTHETIC YARN WHICH COMPRISES CONTINUOUSLY TWISING HEAT-SETTING AND UNTWISTING SAID YARN, THEN CONTINUOUSLY TWISTING SAID YARN WHILE ALTERNATELY HEAT-SETTING SECTIONS OF SAID YARN, THEN UNTWISTING SAID YARN WITH THE SECOND TWISTING BEING IN A DIRECTION OPPOSITE TO THE INTIAL TWISTING AND THE SECOND SETTING TEMPERATURE BEING HIGHER THAN THE INITIAL SETTING TEMPERATURE.
Claim 3
Dependent Claim
11 words
A LIVELY SYNTHETIC YARN PRODUCED BY THE METHOD OF CLAIM 1.
References Cited (Backward Citations)
US2751747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |