Patent US2992091A successfully refreshed from Google Patents.
US2992091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of controlling undesirable vegetation
Assignee: Monsanto Chemicals Ltd
•
Filing: 1957-05-06
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Granted: 1961-07-11
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Marion W Harman
- 👤 Amico John J D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:24
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/21; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
THE METHOD OF CONTROLLING UNDESIRED VEGETATION WHICH COMPRISES APPLYING THERETO A TOXIC CONCENTRATION OF A PHYTOTOXIC BENZYL THIOCARBAMATE POSSESSING THE STRUCTURE
Claim 2
Independent Claim
21 words
THE METHOD OF CONTROLLING UNDESIRED VEGETATION WHICH COMPRISES APPLYING THERETO A TOXIC CONCENTRATION OF A PHYTOTOXIC BENZYL THIOCARBAMATE POSSESSING THE STRUCTURE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |