US2620266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-01-25
•
Granted: 1952-12-02
•
Expires: 1971-01-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Schlesinger
- 👤 David T Mowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:11
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/12; C07D471/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A METHOD OF DESTROYING UNDESIRED PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A HERBICIDAL COMPOSITION COMPRISING, AS THE ACTIVE INGREDIENT, A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim
26 words
A METHOD OF DESTROYING UNDESIRED PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A HERBICIDAL COMPOSITION COMPRISING, AS THE ACTIVE INGREDIENT, A COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |