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US3206351A Expired / Lapsed US ⏱️ 0.0 years remaining

Needled fabric structure and method of making same

Assignee: Fiberwoven Corp
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Filing: 1961-10-04
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Granted: 1965-09-14
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Expires: 1981-10-04
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Abstract

No abstract record available.

Inventors

  • 👤 Ii Alexander M Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:14
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/498; D04H1/42; D04H1/4374; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T428/24174; Y10T442/00; Y10T442/60; Y10T442/659; Y10T442/666; Y10T442/667

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 200 words
A NEEDLED FABRIC STRUCTURE CHARACTERIZED AFTER NAPPING BY UNIFORM AND SMOOTH COVER, HIGH TENSILE STRENGTH, AND SOFT HAND COMPRISING: A PLURALITY OF SUPERIMPOSED LAYERS OF LOOSELY MATTED FIBERS CROSS-LAID FOR WIDTHWISE TENSILE STRENGTH AND NEEDLED TOGETHER INTO AN INTEGRAL STRUCTURE HAVING COHERING FIBER ENTANGLEMENT FOR LENGTHWISE TENSILE STRENGTH, SAID COHERING FIBER ENLARGEMENT BEING PROGRESSIVELY INCREASING TOWARD THE CENTER OF THE INTEGRAL STRUCTURE FROM BOTH SIDES OF THE SAME, SAID INTEGRAL STRUCTURE HAVING A MAJORITY OF THE INDIVIDUAL CROSS-LAID FIBERS OF THE INNER LAYERS ORIENTED INTO COHERING ENTANGLEMENT WITH EACH OTHER AND WITH THE FIBERS IN EACH OF THE OUTER LAYERS AND IN WHICH A LESSER NUMBER OF THE INDIVIDUAL CROSS-LAID FIBERS OF EACH OF THE OUTER LAYERS ARE ORIENTED INTO COHERING ENTANGLEMENT WITH EACH OTHER AND WITH THE FIBERS IN THE INNER LAYERS, THE NUMBER OF INDIVIDUAL FIBERS FROM THE OUTER LAYERS ORIENTED INTO COHERING ENTANGLEMENT BEING LESS THAN THE NUMBER OF INDIVIDUAL FIBERS FROM THE INNER LAYERS ORIENTED INTO COHERING ENTANGLEMENT, SAID INDIVIDUAL FIBERS OF SAID LAYERS BEING ORIENTED IN CLOSELY SPACED ROWS OF CHAIN ENTANGLEMENT WITH EACH OTHER LENGTHWISE OF THE STRUCTURE FROM AT LEAST ADJACENT ONE SURFACE TO AT LEAST ADJACENT THE OTHER SURFACE OF THE STRUCTURE.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-13 1969-03-15 1969-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-13 1973-03-15 1973-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-13 1977-03-15 1977-09-14 $7700.00 Window Closed / Lapsed

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