US3864114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil treatment
Assignee: Individual
•
Filing: 1972-03-27
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Granted: 1975-02-04
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Expires: 1992-03-27
Abstract
Abstract This invention relates to the controlled application of an active chemical to the soil through the use of a carrier or substratum in the form of an active chemical impregnated string, web, or sheet throughout the extent of which the chemicals are made available to the leaching action of rain and surface waters for migration to the soil upon which the coated carrier and active chemical is deposited.
Inventors
- 👤 William Edward Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:01
CPC Classifications
C; C05; C05G; C05G5/00; C05G5/10; C05G5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A METHOD FOR MANUFACTURING A COMPOSITE ARTICLE OF THE TYPE EMPLOYED FOR THE CONTROLLED APPLICATION OF AN ACTIVE CHEMICAL TO THE SOIL THROUGH USE OF A CARRIER OF AN ACTIVE CHEMICAL IMPREGNATED STRING THE IMPROVEMENT COMPRISING THE STEPS OF SLECTING A LENGTH OF COMPRESSIBLE ADSORBENT YARN DERIVED FROM SPUN FILAMENTS OF REGENRATED CELLULOSE, AN ACTIVE CHEMICAL COMPOSITION INCLUDING AT LEAST ONE OF A HERBICIDE, PLANT GROWTH REGULATOR OR PLANT NUTRIENT SUITABLE FOR USE IN THE TREATMENT OF THE SOIL AND A DEGRADABLE ADHESIVE SUBSTANTIALLY INERT TO THE ACTIVITY OF SAID CHEMICAL COMPOSITION AND TO SAID YARN; THEN COMBINING SAID ACTIVE CHEMICAL COMPOSITION AND SAID DEGRADABLE ADHESIVE INTO A BLEND OF SUBSTANTIALLY UNIFORM CONSISTENCY; THEN CONTACTING SAID YARN WITH SAID BLEND IN A MANNER WHEREBY SAID YARN IS SUBSTANTIALLY SATURATED WITH SAID BLEND; THEN COMPRESSING SAID SATURATED YARN TO EXPEL EXCESS BLEND AND TO SUBSTANTIALLY UNIFORMLY DISTRIBUTE SAID BLEND THROUGHOUT THE EXTENT OF SAID YARN; AND THEN SUBJECTING SAID COMPRESSED YARN AND BLEND TO CONDITIONS OF CONTROLLED TEMPERATURE TO DRY THE SAME WITHOUT DECOMPOSITION.
Claim 2
Dependent Claim
174 words
IN A METHOD FOR MANUFACTURING A COMPOSITE ARTICLE OF THE TYPE EMPLOYED FOR THE CONTROLLED APPLICATION OF AN ACTIVE CHEMICAL TO THE SOIL THROUGH USE OF A CARRIER OF AN ACTIVE CHEMICAL IMPREGNATED STRING THE IMPROVEMENT COMPRISING THE STEPS OF SLECTING A LENGTH OF COMPRESSIBLE ADSORBENT YARN DERIVED FROM SPUN FILAMENTS OF REGENRATED CELLULOSE, AN ACTIVE CHEMICAL COMPOSITION INCLUDING AT LEAST ONE OF A HERBICIDE, PLANT GROWTH REGULATOR OR PLANT NUTRIENT SUITABLE FOR USE IN THE TREATMENT OF THE SOIL AND A DEGRADABLE ADHESIVE SUBSTANTIALLY INERT TO THE ACTIVITY OF SAID CHEMICAL COMPOSITION AND TO SAID YARN; THEN COMBINING SAID ACTIVE CHEMICAL COMPOSITION AND SAID DEGRADABLE ADHESIVE INTO A BLEND OF SUBSTANTIALLY UNIFORM CONSISTENCY; THEN CONTACTING SAID YARN WITH SAID BLEND IN A MANNER WHEREBY SAID YARN IS SUBSTANTIALLY SATURATED WITH SAID BLEND; THEN COMPRESSING SAID SATURATED YARN TO EXPEL EXCESS BLEND AND TO SUBSTANTIALLY UNIFORMLY DISTRIBUTE SAID BLEND THROUGHOUT THE EXTENT OF SAID YARN; AND THEN SUBJECTING SAID COMPRESSED YARN AND BLEND TO CONDITIONS OF CONTROLLED TEMPERATURE TO DRY THE SAME WITHOUT DECOMPOSITION.
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) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |