US3020145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method employing substituted ureas
Assignee: EIDP Inc
•
Filing: 1955-12-22
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Granted: 1962-02-06
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Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Richard J Gobeil
- 👤 Rayner S Johnson
- 👤 Raymond W Luckenbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:50
CPC Classifications
C; C07; C07C; C07C273/00; C07C273/18; C07C273/1854
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
A HERBICIDAL COMPOSITION COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ANIOMIC, CATIONIC AND NONIONIC SURFACE ACTIVE AGENTS AND, IN AMOUNT SUFFICIENT TO EXERT HERBICIDAL ACTION, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE CARBAMIDO ALKANOIC ACIDS REPRESENTED BY THE FORMULAS
References Cited (Backward Citations)
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US2655445A
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US2709648A
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US2705195A
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US2726150A
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US2704245A
Cited
US2782112A
Cited
US2723192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |