Patent US2630381A successfully refreshed from Google Patents.
US2630381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-11-21
•
Granted: 1953-03-03
•
Expires: 1970-11-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Schlesinger
- 👤 Kosmin Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:13
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/04; A; A01; A01N; A01N43/00; A01N43/72; A01N43/74; A01N43/76; A01N43/80; A01N2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE METHOD OF DESTROYING UNDESIRED PLANTS WHICH INCLUDES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION COMPRISING, AS THE ACTIVE INGREDIENT, A BENZOXAZOLE DERIVATIVE HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
31 words
THE METHOD OF DESTROYING UNDESIRED PLANTS WHICH INCLUDES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION COMPRISING, AS THE ACTIVE INGREDIENT, A BENZOXAZOLE DERIVATIVE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2468075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |