US3547618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(4-nitrophenylsulfonyl)-n'-benzoyl ureas as phytocides
Assignee: Monsanto Co
•
Filing: 1968-06-17
•
Granted: 1970-12-15
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Expires: 1988-06-17
Abstract
No abstract record available.
Inventors
- 👤 Angelo John Speziale
- 👤 Lowell R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:34
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/34; C; C07; C07C; C07C311/00; C07C311/50; C07C311/52; C07C311/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412510A
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US2577969A
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GB815885A
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US3231360A
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NL295358A
Cited
GB998702A
Cited
US3261865A
Cited
US3340042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |