Patent US3315408A successfully refreshed from Google Patents.
US3315408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soluble fibrous material for controlling soil erosion
Assignee: Individual
•
Filing: 1965-03-22
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Granted: 1967-04-25
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Sidney G Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
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)
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 |