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US3214323A Expired / Lapsed US ⏱️ 0.0 years remaining

Nonwoven fabrics and methods of making the same

Assignee: Johnson and Johnson
•
Filing: 1964-02-11
•
Granted: 1965-10-26
•
Expires: 1984-02-11
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Abstract

No abstract record available.

Inventors

  • 👤 Gordon D Russell
  • 👤 Bering Ivan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:36
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/08; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/66; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826; Y10T442/00; Y10T442/60; Y10T442/674; Y10T442/69

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 147 words
A FABRIC OF NONWOVEN WEBS OF INDIVIDUALIZED TEXTILE FIBERS INTERMITTENTLY BONDED TOGETHER IN A PREDETERMINED PATTERN OF SPACED BINDER AREAS, AT LEAST ONE OF SAID WEBS BEING CONSTRUCTED OF NONACTIVATING FIBERS AND AT LEAST ONE OTHER OF SAID WEBS BEING CONSTRUCTED OF ACTIVATING FIBERS HAVING A FIBER LENGTH GREATER THAN THE SPACE BETWEEN ADJACENT BINDER AREAS, SAID FABRIC BEING CHARACTERIZED BY A SERIES OF BUCKLED SECTIONS AND CONCOMITANT TROUGH SECTIONS WHICH IMPART A THREE-DIMENSIONAL EFFECT TO THE FABRIC, SAID TROUGH SECTIONS REPRESENTING THE BINDER AREAS WHEREIN SAID FIBERS ARE CLOSELY ASSOCIATED IN SUBSTANTIALLY THE PLANE OF THE FABRIC, AND SAID BUCKLED SECTIONS REPRESENTING THE UNBONDED AREAS OF THE FABRIC WHEREIN THE INDIVIDUAL FIBERS ARE SUBSTANTIALLY DIFFUSED WITH RESPECT TO ONE ANOTHER TO PROVIDE VARYING FIBER DENSITY BETWEEN THE PLANE OF THE FABRIC AND THE VERTEX OF SAID BUCKLED SECTION, SAID FABRIC HAVING IMPROVED BULK AND FULL-BODIED HAND.

References Cited (Backward Citations)

US2880111A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-25 1969-04-26 1969-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-25 1973-04-26 1973-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-25 1977-04-26 1977-10-26 $7700.00 Window Closed / Lapsed

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