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US3315408A Expired / Lapsed US ⏱️ 0.0 years remaining

Soluble fibrous material for controlling soil erosion

Assignee: Individual
•
Filing: 1965-03-22
•
Granted: 1967-04-25
•
Expires: 1985-03-22
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Abstract

No abstract record available.

Inventors

  • 👤 Sidney G Fisher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:25
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/32

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 67 words
A PROTECTIVE MAT FOR PLACEMENT ON THE GROUND COMPRISING A PLURALITY OF ELONGATED HOLLOWCORE YARNS FORMED FROM SOLUBLE CELLULOSIC DERIVATIVE MATERIAL, SAID YARNS BEING INTERTWINED AND SPACEDLY RELATED IN AN OPEN MESH FASHION, EACH OF SAID YARNS BEING FILLED WITH A FLUID MATERIAL SELECTED FROM THE GROUP CONSISTING OF FERTILIZERS, PESTICIDES AND WEEK KILLERS AND SAID YARNS HAVING WALLS RUPTURABLE AND DISINTEGRABLE BY A BIOCHEMICAL REACTION CAUSED
Claim 2
Dependent Claim 67 words
A PROTECTIVE MAT FOR PLACEMENT ON THE GROUND COMPRISING A PLURALITY OF ELONGATED HOLLOWCORE YARNS FORMED FROM SOLUBLE CELLULOSIC DERIVATIVE MATERIAL, SAID YARNS BEING INTERTWINED AND SPACEDLY RELATED IN AN OPEN MESH FASHION, EACH OF SAID YARNS BEING FILLED WITH A FLUID MATERIAL SELECTED FROM THE GROUP CONSISTING OF FERTILIZERS, PESTICIDES AND WEEK KILLERS AND SAID YARNS HAVING WALLS RUPTURABLE AND DISINTEGRABLE BY A BIOCHEMICAL REACTION CAUSED

References Cited (Backward Citations)

US2197594A Cited
US2601620A Cited
US2830404A Cited
US2909003A Cited
US2976646A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-24 1970-10-24 1971-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-24 1974-10-24 1975-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-24 1978-10-24 1979-04-25 $7700.00 Window Closed / Lapsed

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