US3442640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of destroying weeds with substituted tetralins
Assignee: Givaudan Roure Corp
•
Filing: 1966-11-22
•
Granted: 1969-05-06
•
Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Wood
- 👤 Nancy E Achuff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:55
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/11; C07C37/18; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2396513A
Cited
US3012869A
Cited
US3257190A
Cited
FR1346184A
Cited
US3352662A
Cited
US3330640A
Cited
US3283016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |