Patent US3188790A successfully refreshed from Google Patents.
US3188790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nylon fiber blends
Assignee: EIDP Inc
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Filing: 1963-06-12
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Granted: 1965-06-15
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 Harold H Hebeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:48
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2909
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
A YARN COMPOSED OF A BLEND OF COTTON AND A MIXTURE OF 50% TO 90% OF UNCRIMPED NYLON STAPLE FIBER CHARACTERIZED BY A LOAD-BEARING CAPACITY OF AT LEASR 2.1 GRAMS PER DENIER AT 7% ELONGATION AND A BOIL-OFF SHRINKAGE OF NOT OVER 6%, BOTH PHOPERTIES MEASURED AFTER 9 DAYS SLACK AGEING, AND 50% TO 10% OF CRIMPED NYLON STAPLE FIBER HAVING A CRIMP INDEX OF AT LEAST 8%.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |