US3813698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trousers having narrow elastic fabric waistband
Assignee: Johnson and Johnson
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Filing: 1973-05-29
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Granted: 1974-06-04
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Expires: 1993-05-29
Abstract
Abstract A narrow elastic fabric for use as a waistband in an article of apparel comprising a set of warp yarns running in the direction of the length of the fabric interwoven with a set of filling yarns running in the direction of the width of the fabric. From 10% to 50% of the number of yarns in the warp set being elastic yarns with the remaining yarns nonelastic. The elastic yarns having a spandex core initially wrapped with a settable yarn. The warp and filling yarns being woven in a pronounced rib weave over at least a portion of the width of the fabric with the ribs running in the direction of the width of the fabric.
Inventors
- 👤 R Campbell
- 👤 R Goff
- 👤 J Priestley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:38
CPC Classifications
A; A41; A41F; A41F9/00; A41F9/02; D; D02; D02G; D02G3/00; D02G3/22; D02G3/32; D02G3/322; D02G3/328; D03; D03D; D03D15/00; D03D15/50; D03D15/56
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
99 words
In a pair of trousers made from a double knit fabric said trousers having an inwardly folded edge portion about the waist thereof, a waistband attached to said folded edge comprising; a narrow elastic fabric of interwoven warp and filling yarns, from 10 percent to 50 percent of said warp yarns having a spandex core wrapped with a yarn that is set in its wrapped configuration, and said narrow elastic fabric woven, at least over a portion of its width, in a pronounced rib weave with the rib running in the direction of the width of the elastic fabric.
Claim 2
Dependent Claim
99 words
In a pair of trousers made from a double knit fabric said trousers having an inwardly folded edge portion about the waist thereof, a waistband attached to said folded edge comprising; a narrow elastic fabric of interwoven warp and filling yarns, from 10 percent to 50 percent of said warp yarns having a spandex core wrapped with a yarn that is set in its wrapped configuration, and said narrow elastic fabric woven, at least over a portion of its width, in a pronounced rib weave with the rib running in the direction of the width of the elastic fabric.
Claim 3
Dependent Claim
52 words
In a pair of trousers according to claim 1 a waistband having from about 5 percent to 50 percent elongation in the direction of its length and a uniform modulus of elasticity across its width of from about 1 pound to 5 pounds per inch of fabric width at 15 percent elongation.
Claim 4
Dependent Claim
29 words
In a pair of trousers according to claim 2 a waistband wherein the spandex core is wrapped with a nylon yarn and the filling yarns are multi-filament rayon yarns.
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |