US3139741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn treating method and apparatus for knitting machines
Assignee: Duplan Corp
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Filing: 1957-04-02
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Granted: 1964-07-07
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Expires: 1977-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry M Strub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:53
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A METHOD OF KNITTING WOMEN''S SEAMLESS HOSIERY ON A CIRCULAR KNITTING MACHINE HAVING A YARN SUPPLY WHICH COMPRISES CONTINUOUSLY FEEDING A HEAT-SHRINKABLE THERMOPLASTIC YARN FROM SAID YARN SUPPLY TO A HEATING MEANS LOCATED BETWEEN THE YARN SUPPLY AND THE KNITTING NEEDLES, HEATING SAID YARN TO AT LEAST PARTIALLY PLASTICIZE IT, AND CONTINUOUSLY KNITTING SAID YARN INTO FABRIC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |