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US3556919A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-dispersible fabric

Assignee: EIDP Inc
•
Filing: 1967-07-14
•
Granted: 1971-01-19
•
Expires: 1987-07-14
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Abstract

Abstract SOFT, WATER-DISPERSIBLE FABRICS ARE PREPARED BY MODIFYING ONE SIDE OF A WOVEN FABRIC OR NONWOVEN FABRIC OF ENTANGLED FIBERS, THROUGH A DEPTH OF A LEAST 40% BUT LESS THAN 95% OF ITS THICKNESS TO CONVERT FIBERS IN SUCH MODIFIED SIDE TO A HIGH-SWELLING FORM.

Inventors

  • 👤 Martha Marie Johns
  • 👤 John Andrew Lynch Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:02
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/00987; A61F13/00991; D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/425; D04H1/4258; D04H1/4374; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/273; Y10T442/2861; Y10T442/2869

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) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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