Patent US3860731A successfully refreshed from Google Patents.
Patent US2864683A successfully refreshed from Google Patents.
US2864683A
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Selective method of inhibiting preemergent growth of grasses
Assignee: Monsanto Chemicals Ltd
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Filing: 1954-09-13
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Granted: 1958-12-16
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Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 Philip C Hamm
- 👤 Angelo J Speziale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/14; C07D307/34; C07D307/38; C07D307/52
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
THE METHOD OF SELECTIVELY INHIBITING THE GERMINATION OF GRASS SEEDS AND THE PREEMERGENCE GROWTH THEREOF IN THE PRESENCE OF GROWING CROPS, WHICH COMPRISES TREATING THE SOIL MEDIUM WITH A HERBICIDAL AMOUNT OF A COMPOUND OF THE STRUCTURE:
References Cited (Backward Citations)
US2409315A
Cited
US2636816A
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DE812376C
Cited
US2649363A
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US2622976A
Cited
US2622975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |