US3832256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric and method for manufacturing the same
Assignee: Johnson and Johnson
•
Filing: 1971-11-03
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Granted: 1974-08-27
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Expires: 1991-11-03
Abstract
Abstract A NEW FABRIC COMPRISING YARNS EMBEDDED IN SUBSTNATIALLY UNORIENTED THERMOPLASTIC POLYMER FILM WITH THE YARNS EXTENDING IN THE LONGITUDINAL DIRECTION OF THE FABRIC. ADJACENT YARNS ARE CONNECTED TO EACH OTHER BY TRANSVERSELY ORIENTED FILM AREAS PEFERABLY IN THE FORM OF FILAMENTS OR FIBERS. MU NEW FABRIC IS MANUFACTURED BY PLACING AN UNORIENTED FILM ON EACH SIDE OF A SET OF YARNS AND HEATING THE LAMINATED TO COMBINE THE YARNS AND FILM. THE LAMINATE IS TRANSVERSELY STRETCHED TO ORIENT THE FILM BETWEEN THE YARNS INTO A PLURALITY OF HIGHLY MOELCULARLY ORIENTED AREAS. D R A W I N G
Inventors
- 👤 F Kalwaites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/12; B32B27/32; B32B27/36; B32B2323/00; B32B2323/04; B32B2323/10; B32B2367/00; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |