US3535377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-butyn-(1)-yl-(3)-anilides as herbicides
Assignee: BASF SE
•
Filing: 1966-11-21
•
Granted: 1970-10-20
•
Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Gustav Steinbrunn
- 👤 Erich Flickinger
- 👤 Adolf Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:25
CPC Classifications
C; C07; C07C; C07C255/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2338380A
Cited
US2863752A
Cited
US2809984A
Cited
US3016383A
Cited
US3038938A
Cited
FR1378964A
Cited
US3247206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |