US2637658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating yarn
Assignee: Specialties Development Corp
•
Filing: 1948-11-06
•
Granted: 1953-05-05
•
Expires: 1968-11-06
Abstract
No abstract record available.
Inventors
- 👤 Louis P Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:47
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B3/18; Y; Y10; Y10S; Y10S118/00; Y10S118/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF TREATING A STRAND OF YARN IN TWISTED CONDITION WHICH COMPRISES ADVANCING THE YARN IN A LENGTHWISE AXIAL DIRECTION, APPLYING PRESSURE TO A LENGTH OF THE YARN AT DIAMETRICALLY OPPOSITE CONTINUOUS LENGTHWISE EXTENDING ZONES OF ENGAGEMENT ALONG THE LENGTH OF YARN WHILE BEING ADVANCED, APPLYING BACK AND FORTH MOVEMENT TANGENTIALLY WITH RESPECT TO THE YARN AT SAID ZONES OF ENGAGEMENT TO SUBJECT THE YARN TO A ROLLING ACTION BACK AND FORTH TRANSVERSELY TO THE AXIS OF MOVEMENT OF THE YARN WHILE BEING ADVANCED TO THEREBY SLIGHTLY UNTWIST THE YARN AND OPEN THE SAME WITHIN SAID ZONES OF ENGAGEMENT, AND SUPPLYING LIQUID IMPREGNANT TO THE LENGTH OF YARN WITHIN SAID ZONES OF ENGAGEMENT.
Claim 2
Independent Claim
114 words
THE METHOD OF TREATING A STRAND OF YARN IN TWISTED CONDITION WHICH COMPRISES ADVANCING THE YARN IN A LENGTHWISE AXIAL DIRECTION, APPLYING PRESSURE TO A LENGTH OF THE YARN AT DIAMETRICALLY OPPOSITE CONTINUOUS LENGTHWISE EXTENDING ZONES OF ENGAGEMENT ALONG THE LENGTH OF YARN WHILE BEING ADVANCED, APPLYING BACK AND FORTH MOVEMENT TANGENTIALLY WITH RESPECT TO THE YARN AT SAID ZONES OF ENGAGEMENT TO SUBJECT THE YARN TO A ROLLING ACTION BACK AND FORTH TRANSVERSELY TO THE AXIS OF MOVEMENT OF THE YARN WHILE BEING ADVANCED TO THEREBY SLIGHTLY UNTWIST THE YARN AND OPEN THE SAME WITHIN SAID ZONES OF ENGAGEMENT, AND SUPPLYING LIQUID IMPREGNANT TO THE LENGTH OF YARN WITHIN SAID ZONES OF ENGAGEMENT.
References Cited (Backward Citations)
US562249A
Cited
US1316210A
Cited
US874287A
Cited
US1197396A
Cited
US1492316A
Cited
US1745285A
Cited
US2220956A
Cited
US2381398A
Cited
US2444064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |