Patent US2898261A successfully refreshed from Google Patents.
US2898261A
Expired / Lapsed
US
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Method and composition for destroying nematodes
Assignee: Dow Chemical Co
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Filing: 1957-04-05
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Granted: 1959-08-04
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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
2026-11-04 16:16
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/24; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A METHOD OF TREATING NEMATODE INFESTED SOIL TO IMPROVE ITS PLANT GROWING PROPERTIES WHICH COMPRISES IMPREGNATING SAID SOIL WITH A NEMATOCIDAL CONCENTRATION OF AN ACTIVE AGENT EFFECTIVE TO IMPROVE SAID PROPERTIES, THE ACTIVE AGENT BEING A SULFONATE COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
41 words
A METHOD OF TREATING NEMATODE INFESTED SOIL TO IMPROVE ITS PLANT GROWING PROPERTIES WHICH COMPRISES IMPREGNATING SAID SOIL WITH A NEMATOCIDAL CONCENTRATION OF AN ACTIVE AGENT EFFECTIVE TO IMPROVE SAID PROPERTIES, THE ACTIVE AGENT BEING A SULFONATE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2744898A
Cited
US2766554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |