US3495967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-benzothienylchloroacetamides as preemergent herbicides
Assignee: Bayer CropScience Inc USA
•
Filing: 1968-02-07
•
Granted: 1970-02-17
•
Expires: 1988-02-07
Abstract
No abstract record available.
Inventors
- 👤 Patrick R Driscoll
- 👤 Harold A Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:46
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/50; C07D333/52; C07D333/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2645572A
Cited
US2723190A
Cited
US2723191A
Cited
US2634201A
Cited
BE622131A
Cited
US3268324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |