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US3851034A Expired / Lapsed US ⏱️ 0.0 years remaining

Methods of making sheet material

Assignee: Johnson and Johnson
•
Filing: 1972-09-20
•
Granted: 1974-11-26
•
Expires: 1992-09-20
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Abstract

Abstract 1. A METHOD OF PRODUCING SHEET MATERIAL HAVING A PREDETERMINED PATTERN OF FILM AREAS INTERCONNECTED BY FIBROUS ARES COMPRISING: LINE POLYMER, SAID FILM COMPRISING A PREDETERMINED PATTERN OF FILMS AREAS AND A REMAINDER PORTION, SAID PREDETERMINED PATTERN OF FILM AREAS BEING LESS CAPABLE, AFTER STRETCHING OF SAID FILM IN A DIRECTION, OF BEING SPLIT INTO FIBERS THAN SAID REMAINDER PORTION, STRETCHING THE FILM IN A DIRECTION TO AN EXTENT WHEREBY SAID REMAINDER PORTION IS CAPABLE OF BEING SPLIT INTO FIBERS, AND TREATING AREAS COMPRISING A SAID REMAINDER PORTION INTO FIBERS AREAS COMPRISING A MULTIPLICITY OF FINE FIBERS UNIFORMLY DISTRIBUTED THROUGHOUT SAID FIBROUS AREAS, SAID FIBROUS AREAS INTERCONNECTING SAID FILM AREAS.

Inventors

  • 👤 C Harmon
  • 👤 W Sibbach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:37
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/514; A61F13/51474; A61F13/51476; A61F13/01; A61F13/01008; A61F13/511; A61F13/51104; A61F13/51401; A61F15/00; A61F15/001; A61F15/002; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/24; B; B29; B29C; B29C41/00; B29C41/24; B29C41/26; B29C48/00; B29C48/001; B29C53/00; B29C53/22; B29C53/24; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/14; B29C59/00; B29C59/02; B29C59/04; B29D; B29D28/00; D; D01; D01D; D01D5/00; D01D5/42; D04; D04H; D04H13/00; A61F2013/00089; A61F2013/00246; A61F2013/00255; A61F2013/00361; A61F2013/00855; A61F2013/00863; A61F13/15577; A61F2013/15821; A61F2013/51409; A61F13/53; A61F2013/530131; B29C48/0018; B29C48/03; B29C48/07; B29C48/08; B29C48/09; B29C48/11; B29C48/12; B29C48/13; Y; Y10; Y10S; Y10S264/00; Y10S264/47

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 109 words
A METHOD OF PRODUCING SHEET MATERIAL HAVING A PREDETERMINED PATTERN OF FILM AREAS INTERCONNECTED BY FIBROUS ARES COMPRISING: LINE POLYMER, SAID FILM COMPRISING A PREDETERMINED PATTERN OF FILMS AREAS AND A REMAINDER PORTION, SAID PREDETERMINED PATTERN OF FILM AREAS BEING LESS CAPABLE, AFTER STRETCHING OF SAID FILM IN A DIRECTION, OF BEING SPLIT INTO FIBERS THAN SAID REMAINDER PORTION, STRETCHING THE FILM IN A DIRECTION TO AN EXTENT WHEREBY SAID REMAINDER PORTION IS CAPABLE OF BEING SPLIT INTO FIBERS, AND TREATING AREAS COMPRISING A SAID REMAINDER PORTION INTO FIBERS AREAS COMPRISING A MULTIPLICITY OF FINE FIBERS UNIFORMLY DISTRIBUTED THROUGHOUT SAID FIBROUS AREAS, SAID FIBROUS AREAS INTERCONNECTING SAID FILM AREAS.
Claim 2
Independent Claim 109 words
A METHOD OF PRODUCING SHEET MATERIAL HAVING A PREDETERMINED PATTERN OF FILM AREAS INTERCONNECTED BY FIBROUS ARES COMPRISING: LINE POLYMER, SAID FILM COMPRISING A PREDETERMINED PATTERN OF FILMS AREAS AND A REMAINDER PORTION, SAID PREDETERMINED PATTERN OF FILM AREAS BEING LESS CAPABLE, AFTER STRETCHING OF SAID FILM IN A DIRECTION, OF BEING SPLIT INTO FIBERS THAN SAID REMAINDER PORTION, STRETCHING THE FILM IN A DIRECTION TO AN EXTENT WHEREBY SAID REMAINDER PORTION IS CAPABLE OF BEING SPLIT INTO FIBERS, AND TREATING AREAS COMPRISING A SAID REMAINDER PORTION INTO FIBERS AREAS COMPRISING A MULTIPLICITY OF FINE FIBERS UNIFORMLY DISTRIBUTED THROUGHOUT SAID FIBROUS AREAS, SAID FIBROUS AREAS INTERCONNECTING SAID FILM AREAS.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

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