US2900243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicides 1596(a)
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-12-28
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Granted: 1959-08-18
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Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Norman J Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:10
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
METHOD OF MINIMIZING THE PREEMERGENT GERMINATION OF SEEDS AND GROWTH OF PLANTS THEREOF IN AGRICULTURAL SOIL WHICH COMPRISES APPLYING TO THE SOIL FROM 2 TO 15 POUNDS PER ACRE OF A COMPOUND HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2527322A
Cited
US2556664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |