US3083523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twistless, heat relaxed interlaced yarn
Assignee: EIDP Inc
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Filing: 1960-03-09
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Granted: 1963-04-02
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Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Richard Lee Dahlstrom
- 👤 Robert John Wert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/08; Y; Y10; Y10S; Y10S57/00; Y10S57/908; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN IMPROVED, UNTWISTED HIGH DESITY, HEAT RELAXED TEXTILE YARN HAVING A SUFFICIENT LOW-RESUAL SHRINKAGE TO BE WOUND AND STORED ON LIGHT CARDBOARD CORES AND A LOW INCIDENCE OF FILAMENT BREAKAGE DURING PROCESSING TREATMENTS, SAID YARN COMPRISING A PLURALITY OF FILAMENTS OF PARTIALLY ORIENTED SUBSTANTIALLY COMPLETELY HEAT RELAXED THERMOPLASTIC SYNTHETIC COMPOSITION, SAID FILAMENTS RANDOMLY AND INTIMATELY ENTANGLED AND CLOSELY INTERLACED, WITHOUT UNIFORM TWISTING, THROUGHOUT THE LENGTH OF THE YARN TO FORM A STABLE, UNBULKED COMPACT, UNITARY AND DENSE STRUCTURE WITH SUBSTANTIALLY ZERO BUNDLE TWIST CHARACTERISTICS EXISTING UNIFORMLY THROUGHOUT THE LENGTH OF THE YARN.
Claim 2
Dependent Claim
92 words
AN IMPROVED, UNTWISTED HIGH DESITY, HEAT RELAXED TEXTILE YARN HAVING A SUFFICIENT LOW-RESUAL SHRINKAGE TO BE WOUND AND STORED ON LIGHT CARDBOARD CORES AND A LOW INCIDENCE OF FILAMENT BREAKAGE DURING PROCESSING TREATMENTS, SAID YARN COMPRISING A PLURALITY OF FILAMENTS OF PARTIALLY ORIENTED SUBSTANTIALLY COMPLETELY HEAT RELAXED THERMOPLASTIC SYNTHETIC COMPOSITION, SAID FILAMENTS RANDOMLY AND INTIMATELY ENTANGLED AND CLOSELY INTERLACED, WITHOUT UNIFORM TWISTING, THROUGHOUT THE LENGTH OF THE YARN TO FORM A STABLE, UNBULKED COMPACT, UNITARY AND DENSE STRUCTURE WITH SUBSTANTIALLY ZERO BUNDLE TWIST CHARACTERISTICS EXISTING UNIFORMLY THROUGHOUT THE LENGTH OF THE YARN.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |