Patent US4259393A successfully refreshed from Google Patents.
US4259393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrillated polyester textile fabric
Assignee: MILLIKEN RESEARCH Corp A CORP OF SC
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Filing: 1978-10-02
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Granted: 1981-03-31
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Expires: 1998-10-02
Abstract
Abstract A process for forming a polyester textile fabric comprised of multifilament yarns having at least about five broken and fibrillated ends per square centimeter of fabric.
Inventors
- 👤 Francis W. Marco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:39
CPC Classifications
D; D06; D06C; D06C11/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T428/2973; Y10T428/2978; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3089; Y10T442/3114; Y10T442/3122
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
92 words
A textile fabric comprised of a plurality of yarns, each said yarn comprising a multiplicity of texturized polyester filaments characterized in that on an average at least about 5 of said texturized polyester filaments per square centimeter of fabric are broken and the ends of said broken filaments have a plurality of fibrils projecting from them, the thickness of each said fibril being no more than half of the thickness of the filament they project from and the length of each said fibril being over 4 times the thickness of the filament.
Claim 2
Dependent Claim
92 words
A textile fabric comprised of a plurality of yarns, each said yarn comprising a multiplicity of texturized polyester filaments characterized in that on an average at least about 5 of said texturized polyester filaments per square centimeter of fabric are broken and the ends of said broken filaments have a plurality of fibrils projecting from them, the thickness of each said fibril being no more than half of the thickness of the filament they project from and the length of each said fibril being over 4 times the thickness of the filament.
Claim 3
Dependent Claim
19 words
A textile fabric according to claim 1 wherein at least 15 filaments are broken per square centimeter of fabric.
Claim 4
Dependent Claim
18 words
A textile product according to claim 2 wherein at least four fibrils project from each said broken end.
Claim 5
Dependent Claim
18 words
A textile product according to claim 1 wherein at least four fibrils project from each said broken end.
Claim 6
Dependent Claim
48 words
A textile product according to claim 4 wherein the length of each said fibril is at least about 4 times the thickness of the filament it projects from and the thickness of each said fibril is less than about half the thickness of the filament it projects from.
Claim 7
Dependent Claim
48 words
A textile product according to claim 1 wherein the length of each said fibril is at least about 4 times the thickness of the filament it projects from and the thickness of each said fibril is less than about half the thickness of the filament it projects from.
Claim 8
Dependent Claim
19 words
A textile product according to claim 1 wherein at least 50 filaments are broken per square centimeter of fabric.
Claim 9
Dependent Claim
17 words
A textile product according to claim 7 wherein at least four fibrils project from said broken end.
Claim 10
Dependent Claim
48 words
A textile product according to claim 8 wherein the length of each said fibril is at least about 4 times the thickness of the filament it projects from and the thickness of each said fibril is less than about half the thickness of the filament it projects from.
Claim 11
Dependent Claim
48 words
A textile product according to claim 7 wherein the length of each said fibril is at least about 4 times the thickness of the filament it projects from and the thickness of each said fibril is less than about half the thickness of the filament it projects from.
Claim 12
Dependent Claim
16 words
A textile product according to claim 10 wherein said polyester filaments are false twist textured multilobal.
Claim 13
Dependent Claim
16 words
A textile product according to claim 1 wherein said polyester filaments are false twist textured multilobal.
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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) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |