US4215686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
PCL Fabric/film laminate
Assignee: United States Department of the Navy
•
Filing: 1979-04-06
•
Granted: 1980-08-05
•
Expires: 1999-04-06
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 17:35
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)
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US3896802A
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US3903882A
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Cited
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Cited
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Cited
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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 |