US3434822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
M-ureidophenyl carbamates as herbicides
Assignee: Novartis Corp
•
Filing: 1965-02-16
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Granted: 1969-03-25
•
Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Wilson
- 👤 Kenneth L Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:21
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07C; C07C275/00; C07C275/28; C07C275/30; C07C335/00; C07C335/04; C07C335/16; C07C335/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |