US2889244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for improving the plant growing properties of soil
Assignee: Dow Chemical Co
•
Filing: 1957-04-05
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Granted: 1959-06-02
•
Expires: 1977-04-05
Abstract
No abstract record available.
Inventors
- 👤 Charles R Youngson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:13
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF TREATING NEMATODE INFESTED SOIL TO CONTROL SOIL-DWELLING ORGANISMS ANDTO IMPROVE ITS PLANT GROWING PROPERTIES WHICH COMPRISES INTRODUCING INTO SAID SOIL A NEMATOCIDAL CONCENTRATION OFAN ACTIVE AGENT EFFECTIVE TO IMPROVE SAID PROPERTIES, THE ACTIVE AGENT BEING AN ETHER COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
44 words
A METHOD OF TREATING NEMATODE INFESTED SOIL TO CONTROL SOIL-DWELLING ORGANISMS ANDTO IMPROVE ITS PLANT GROWING PROPERTIES WHICH COMPRISES INTRODUCING INTO SAID SOIL A NEMATOCIDAL CONCENTRATION OFAN ACTIVE AGENT EFFECTIVE TO IMPROVE SAID PROPERTIES, THE ACTIVE AGENT BEING AN ETHER COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2577453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |