US3604197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicolored yarns made from blend of different denier fibers
Assignee: Wyeth Holdings LLC
•
Filing: 1969-07-15
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Granted: 1971-09-14
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Expires: 1989-07-15
Abstract
Abstract Multicolored yarns comprising a blend of (a) first fibers of first denier and color and (b) second fibers of second denier and color, said second denier being higher than said first denier, said second color being different from said first color, the blend proportions being such that said second fibers do not exceed in quantity the weight of said first fibers in said blend, and the two deniers having a mathematical relationship, one to the other.
Inventors
- 👤 Hideto Sekiguchi
- 👤 Tomohide Matsumoto
- 👤 Masanobu Hoten
- 👤 Hideo Kawasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:43
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D02G3/346; Y; Y10; Y10S; Y10S57/00; Y10S57/905
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
82 words
Multicolored yarns of claim 1 wherein (a) is present to the extent of 95 percent to 85 percent, by weight of said blend, (b) is present to the extent of 5 percent to 15 percent by weight of said blend, and the relationship satisfied by said denier D is for 1.5 d 10.0 0.87 log d + 0.20 log D 1.01 log d + 0.30, and for 10.0 d 15.0 0.87 log d + 0.20 log D 0.57 log d + 0.74.
Claim 2
Dependent Claim
17 words
Multicolored yarns of claim 2 wherein at least one of (a) and (b) is an acrylic fiber.
Claim 3
Dependent Claim
13 words
Multicolored yarns of claim 3 wherein said acrylic fiber is a composite fiber.
Claim 4
Dependent Claim
16 words
Multicolored yarns of claim 3 wherein (b) is an acrylic fiber having higher shrinkage than (a).
Claim 5
Dependent Claim
13 words
Multicolored yarns of claim 2 wherein both (a) and (b) are acrylic fibers.
Claim 6
Dependent Claim
17 words
Multicolored yarns of claim 1 wherein at least one of (a) and (b) is an acrylic fiber.
Claim 7
Dependent Claim
13 words
Multicolored yarns of claim 7 wherein said acrylic fiber is a composite fiber.
Claim 8
Dependent Claim
16 words
Multicolored yarns of claim 7 wherein (b) is an acrylic fiber having higher shrinkage than (a).
Claim 9
Dependent Claim
13 words
Multicolored yarns of claim 1 wherein both (a) and (b) are acrylic fibers.
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) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |