Patent US2536527A successfully refreshed from Google Patents.
US3573031A
Expired / Lapsed
US
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Method of controlling weeds
Assignee: Stauffer Chemical Co
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Filing: 1964-04-27
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Granted: 1971-03-30
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Expires: 1984-04-27
Abstract
Abstract THIS INVENTION RELATES TO THE USE OF CERTAIN COMPOSITIONS AS HERBICIDES. MORE PARTICULARLY, IT HAS BEEN FOUND THAT CERTAIN ALKYL 1-HEXAMETHYLENEIMINE-CARBOTHIOLATES POSSESS VALUABLE HERBICIDAL PROPERTIES AND ARE PARTICULARLY USEFUL AS PRE-EMERGENCE HERBICIDES.
Inventors
- 👤 Harry Tilles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:41
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/10; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |