Patent US3331728A successfully refreshed from Google Patents.
US3331728A
Expired / Lapsed
US
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Perforate film-fiber laminate
Assignee: Johnson and Johnson
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Filing: 1964-02-17
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Granted: 1967-07-18
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Lane Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:55
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/01; A61F13/01021; A61F13/00987; A61F13/00991; A61F13/15; A61F13/15577; A61F13/15707; A61F13/15731; A61F13/51; A61F13/511; A61F13/51121; A61F13/512; A61F2013/00089; A61F2013/00217; A61F2013/00246; A61F2013/00251; A61F2013/00361; A61F2013/00727; A61F2013/00731; A61F2013/00744; A61F2013/00855; A61F2013/00859; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T442/00; Y10T442/10; Y10T442/184; Y10T442/198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PERFORATE FILM-FIBER LAMINATE COMPRISING A FIBER WEB CONTAINING OPENINGS THEREIN PASSING THROUGH SAID WEB WITH FIBERS OF SAID WEB EXTENDING BEYOND THE PERIPHERY OF SAID OPENINGS, A THERMOPLASTIC FILM EXTENDING OVER AT LEAST ONE SURFACE OF SAID WEB AND BONDED TO SURFACE FIBERS OF SAID WEB THROUGHINTIMATE CONTACT OF SAID FILM AND SURFACE FIBERS WHILE SAID FILM IS IN A HEAT SOFTENED STATE, SAID FILM HAVING OPENINGS THEREIN DIRECTLY OVER THE
Claim 2
Dependent Claim
72 words
A PERFORATE FILM-FIBER LAMINATE COMPRISING A FIBER WEB CONTAINING OPENINGS THEREIN PASSING THROUGH SAID WEB WITH FIBERS OF SAID WEB EXTENDING BEYOND THE PERIPHERY OF SAID OPENINGS, A THERMOPLASTIC FILM EXTENDING OVER AT LEAST ONE SURFACE OF SAID WEB AND BONDED TO SURFACE FIBERS OF SAID WEB THROUGHINTIMATE CONTACT OF SAID FILM AND SURFACE FIBERS WHILE SAID FILM IS IN A HEAT SOFTENED STATE, SAID FILM HAVING OPENINGS THEREIN DIRECTLY OVER THE
References Cited (Backward Citations)
US3068547A
Cited
US3077882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |