US2956330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized yarn
Assignee: EIDP Inc
•
Filing: 1958-03-28
•
Granted: 1960-10-18
•
Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Pitzl Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:15
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/229; D01; D01D; D01D5/00; D01D5/12; D01D5/16; D01D7/00; D01F; D01F6/00; D01F6/58; D01F6/60; D02G; D02G3/00; D02G3/02; Y; Y10; Y10S; Y10S264/00; Y10S264/28; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS COMPRISING PARTIALLY SETTING A FRESHLY DRAWN POLYAMIDE STRAND AT SUBSTANTIALLY CONSTANT LENGTH WHILE PERMITTING A SUBSEQUENT SUBSTANTIAL REDUCTION IN RESIDUAL SHRINKAGE BY RELAXATION WITHOUT THE USUAL DECREASE IN INITIAL MODULUS, RELAXING THE STRAND IN A CONTROLLED MANNER IN AN AMOUNT BETWEEN BOUT 2% AND ABOUT 10%, BASED UPON THE LENGTH O THE STRAND IMMEDIATELY PRIOR TO RELAXATION, THE SETTING AND RELAXING STEPS BEING CARRIED OUT IN ANY ORDER, AND WHEN WINDING THE STRAND ONTO A PACKAGE.
Claim 2
Dependent Claim
78 words
A PROCESS COMPRISING PARTIALLY SETTING A FRESHLY DRAWN POLYAMIDE STRAND AT SUBSTANTIALLY CONSTANT LENGTH WHILE PERMITTING A SUBSEQUENT SUBSTANTIAL REDUCTION IN RESIDUAL SHRINKAGE BY RELAXATION WITHOUT THE USUAL DECREASE IN INITIAL MODULUS, RELAXING THE STRAND IN A CONTROLLED MANNER IN AN AMOUNT BETWEEN BOUT 2% AND ABOUT 10%, BASED UPON THE LENGTH O THE STRAND IMMEDIATELY PRIOR TO RELAXATION, THE SETTING AND RELAXING STEPS BEING CARRIED OUT IN ANY ORDER, AND WHEN WINDING THE STRAND ONTO A PACKAGE.
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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |