US2637659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating yarn
Assignee: Specialties Development Corp
•
Filing: 1948-11-06
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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
2026-10-31 03:40
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
95 words
THE METHOD OF TREATING A STRAND OF YARN IN TWISTED CONDITION WHICH COMPRISES MOVING THE YARN IN A LENGTHWISE AXIAL DIRECTION, APPLYING PRESSURE TO THE YARN AT DIMETRICALLY OPPOSITE POINTS OF ENGAGEMENT, APPLYING BACK AND FORTH MOVEMENT TANGENTIALLY WITH RESPECT TO THE YARN AT SAID POINTS OF ENGAGEMENT TO SUBJECT THE YARN TO A ROLLING ACTION BACK AND FORTH TRANSVERSELY TO THE AXIS OF MOVEMENT OF THE YARN TO THEREBY SLIGHTLY UNTWIST THE YARN AND OPEN THE SAME AT SAID POINTS OF ENGAGEMENT, AND SUPPLYING LIQUID IMPREGNANT TO THE YARN AT SAID POINTS OF ENGAGEMENT.
Claim 2
Independent Claim
95 words
THE METHOD OF TREATING A STRAND OF YARN IN TWISTED CONDITION WHICH COMPRISES MOVING THE YARN IN A LENGTHWISE AXIAL DIRECTION, APPLYING PRESSURE TO THE YARN AT DIMETRICALLY OPPOSITE POINTS OF ENGAGEMENT, APPLYING BACK AND FORTH MOVEMENT TANGENTIALLY WITH RESPECT TO THE YARN AT SAID POINTS OF ENGAGEMENT TO SUBJECT THE YARN TO A ROLLING ACTION BACK AND FORTH TRANSVERSELY TO THE AXIS OF MOVEMENT OF THE YARN TO THEREBY SLIGHTLY UNTWIST THE YARN AND OPEN THE SAME AT SAID POINTS OF ENGAGEMENT, AND SUPPLYING LIQUID IMPREGNANT TO THE YARN AT SAID POINTS OF ENGAGEMENT.
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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) | 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 |