US3134663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method employing hydantoins
Assignee: Novartis Corp
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Filing: 1957-07-23
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Granted: 1964-05-26
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Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kroll Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:59
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A METHOD OF PREVENTING THE GROWTH OF UNDESIRED VEGETATION WHICH COMPRISES TREATING SAID VEGETATION WITH A HERBICIDAL QUANTITY OF A HYDANTOIN DERIVATIVE OF THE FORMULA
Claim 2
Independent Claim
25 words
A METHOD OF PREVENTING THE GROWTH OF UNDESIRED VEGETATION WHICH COMPRISES TREATING SAID VEGETATION WITH A HERBICIDAL QUANTITY OF A HYDANTOIN DERIVATIVE OF THE FORMULA
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |