US3823007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal method using salts of benzenesulfonyl ureas
Assignee: Monsanto Co
•
Filing: 1969-01-14
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Granted: 1974-07-09
•
Expires: 1989-01-14
Abstract
Abstract THE USE OF SALTS OF SUBSTITUTED BENZENESULFONYL UREAS AS HERBICIDES.
Inventors
- 👤 J Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:58
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; A; A01; A01N; A01N47/00; A01N47/40; A01N47/42; C07C; C07C311/00; C07C311/50; C07C311/52; C07C311/54
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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |