US3255509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing needled textile structures
Assignee: Kendall Co
•
Filing: 1963-12-23
•
Granted: 1966-06-14
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Nicholas S Newman
- 👤 John F Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:08
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/498; B; B32; B32B; B32B5/00; B32B5/02; B32B5/024; B32B5/18; B32B5/22; B32B5/24; B32B5/245; B32B5/26; D04H1/48; D04H1/482; B32B2307/00; B32B2307/50; B32B2307/51; B32B2307/54; B32B2307/70; B32B2307/732; B32B2307/734; B32B2307/736; B32B2437/00; B32B5/06; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/3724
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PROCESS FOR ENHANCING THE TENSILE STRENGTH AND DELAMINATION RESISTANCE OF FABRIC LAMINATES COMPRISING NEEDLING AT LEAST ONE LAYER OF TEXTILE-LENGTH FIBERS INTO A WOVEN CELLULOSIC FABRIC BASE, THE IMPROVEMENT WHICH COMPRISES SHRINKING THE WOVEN CELLULOSIC FABRIC BASE PRIOR TO THE NEEDLING OPERATION BY A SLACK-MERCERIZING PROCESS, SAID SHRINKAGE BEING SUCH AS TO ALLOW AT LEAST 15% SUBSEQUENT ELONGATION IN AT LEAST ONE DIRECTION OF SAID FABRIC, WHEREBY THE RESISTANCE OF THE YARNS OF THE WOVEN CELLULOSIC FABRIC TO BEING SEVERED BY THE NEEDLING OPERATION IS INCREASED.
Claim 2
Dependent Claim
88 words
IN A PROCESS FOR ENHANCING THE TENSILE STRENGTH AND DELAMINATION RESISTANCE OF FABRIC LAMINATES COMPRISING NEEDLING AT LEAST ONE LAYER OF TEXTILE-LENGTH FIBERS INTO A WOVEN CELLULOSIC FABRIC BASE, THE IMPROVEMENT WHICH COMPRISES SHRINKING THE WOVEN CELLULOSIC FABRIC BASE PRIOR TO THE NEEDLING OPERATION BY A SLACK-MERCERIZING PROCESS, SAID SHRINKAGE BEING SUCH AS TO ALLOW AT LEAST 15% SUBSEQUENT ELONGATION IN AT LEAST ONE DIRECTION OF SAID FABRIC, WHEREBY THE RESISTANCE OF THE YARNS OF THE WOVEN CELLULOSIC FABRIC TO BEING SEVERED BY THE NEEDLING OPERATION IS INCREASED.
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |