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US4215686A Expired / Lapsed US ⏱️ 0.0 years remaining

PCL Fabric/film laminate

Assignee: United States Department of the Navy
•
Filing: 1979-04-06
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Granted: 1980-08-05
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Expires: 1999-04-06
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Abstract

Abstract An artificial burn covering comprising a poly(ε-caprolactone) film with a poly(ε-caprolactone) fabric attached thereto.

Inventors

  • 👤 John B. Gregory
  • 👤 Arthur D. Schwope
  • 👤 Donald L. Wise

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:45
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/01; A61F13/01008; A61F13/01017; B; B32; B32B; B32B27/00; B32B27/12; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/26; A61F13/15; A61F13/53; A61F13/534; A61F2013/00089; A61F2013/00157; A61F2013/00361; A61F2013/00365; A61F2013/00519; A61F2013/00527; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/53445; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 30 words
An article of manufacture comprising a poly(ε-caprolactone) film having affixed thereto a poly(ε-caprolactone) fabric having a non-napped side and a napped side, said non-napped side being affixed to said film.
Claim 2
Dependent Claim 30 words
An article of manufacture comprising a poly(ε-caprolactone) film having affixed thereto a poly(ε-caprolactone) fabric having a non-napped side and a napped side, said non-napped side being affixed to said film.
Claim 3
Dependent Claim 18 words
An article of manufacture according to claim 1 wherein said film has a thickness of about 25 mils.
Claim 4
Dependent Claim 26 words
An article of manufacture according to claim 2 wherein said fabric has five pile depths and a light nap about 10 to 15 mils in height.

References Cited (Backward Citations)

US3526224A Cited
US3561441A Cited
US3896802A Cited
US3903882A Cited
US3949742A Cited
US3967623A Cited
US4034751A Cited
US4175557A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-05 1984-02-04 1984-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-05 1988-02-04 1988-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-05 1992-02-04 1992-08-05 $7700.00 Window Closed / Lapsed

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