Patent US3148520A successfully refreshed from Google Patents.
US3148520A
Expired / Lapsed
US
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Method for simultaneously throwing and knitting of yarn
Assignee: Patentex Inc
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Filing: 1957-08-21
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Granted: 1964-09-15
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Expires: 1977-08-21
Abstract
No abstract record available.
Inventors
- 👤 Earl H Biggers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:25
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266; D04; D04B; D04B35/00; D04B35/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE METHOD OF PRODUCING STRETCHABLE KNITTED FABRICS WHICH COMPRISES SYUPPLYING CONTINUOUS FILAMENT SYNTHETIC RESIN YARN TO A KNITTING MEANS, EMPLOYING THE OPERATING MOTION OF THE KNITTING MEANS FOR DRAWING THE SUPPLIED YARN THERETO, AND LEADING THE SUPPLIED YARN THROUGH A HEATING ZONE AND THEN IMMEDIATELY APPLYING TORQUE CHARACTERISTICS THERETO BEFORE IT REACHES SAID KNITTING MEANS.
Claim 2
Independent Claim
55 words
THE METHOD OF PRODUCING STRETCHABLE KNITTED FABRICS WHICH COMPRISES SYUPPLYING CONTINUOUS FILAMENT SYNTHETIC RESIN YARN TO A KNITTING MEANS, EMPLOYING THE OPERATING MOTION OF THE KNITTING MEANS FOR DRAWING THE SUPPLIED YARN THERETO, AND LEADING THE SUPPLIED YARN THROUGH A HEATING ZONE AND THEN IMMEDIATELY APPLYING TORQUE CHARACTERISTICS THERETO BEFORE IT REACHES SAID KNITTING MEANS.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |