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US5202086A Expired / Lapsed US ⏱️ 0.0 years remaining

Aramid fabric for garments of improved comfort

Assignee: EIDP Inc
•
Filing: 1992-06-16
•
Granted: 1993-04-13
•
Expires: 2012-06-16
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Abstract

Abstract A woven fabric of yarns spun from poly(m-phenylene isophthalamide) staple fiber has been designed to provide protective garments of improved comfort.

Inventors

  • 👤 Bantwal J. Baliga
  • 👤 Donald E. Hoffman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:45
CPC Classifications
D; D03; D03D; D03D15/00; D03D15/20; D03D15/283; D03D15/30; D03D15/33; D03D1/00; D03D13/00; D10; D10B; D10B2331/00; D10B2331/02; D10B2331/021; D10B2331/30; D10B2401/00; D10B2401/16; D10B2501/00; D10B2501/04; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10S428/911; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 81 words
A woven fabric for use in protective apparel of improved comfort consisting essentially of spun yarns of uncrystallized poly(m-phenylene isophthalamide) staple fiber having a 0.8 to 1.5 denier per filament; said fabric having a basis weight of from 4.0 to 8 ounces per square yard and a construction as follows: ______________________________________ weave: plain or twill Yarn: 37/2 or finer warp count: 75 to 125 ends/inch fill count: at least 40 end/inch but not greater than 80% of the warp count. ______________________________________
Claim 2
Dependent Claim 81 words
A woven fabric for use in protective apparel of improved comfort consisting essentially of spun yarns of uncrystallized poly(m-phenylene isophthalamide) staple fiber having a 0.8 to 1.5 denier per filament; said fabric having a basis weight of from 4.0 to 8 ounces per square yard and a construction as follows: ______________________________________ weave: plain or twill Yarn: 37/2 or finer warp count: 75 to 125 ends/inch fill count: at least 40 end/inch but not greater than 80% of the warp count. ______________________________________
Claim 3
Dependent Claim 16 words
A woven fabric according to claim 1 wherein the fabric weave is a 3X1 twill fabric.
Claim 4
Dependent Claim 13 words
Protective garment of improved comfort constructed from the woven fabric of claim 1.

References Cited (Backward Citations)

US4198494A Cited
US4120914A Cited
US4897296A Cited
US4792480A Cited
US5082721A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-04-12 1996-10-12 1997-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-04-12 2000-10-12 2001-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-04-12 2004-10-12 2005-04-13 $7700.00 Window Closed / Lapsed

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