Patent US2849306A successfully refreshed from Google Patents.
US2849306A
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Herbicidal method and composition employing aryl pseudoureas
Assignee: EIDP Inc
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Filing: 1954-03-19
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Granted: 1958-08-26
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Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 Norman E Searle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:17
CPC Classifications
C; C07; C07C; C07C273/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A HERBICIDAL COMPOSITION COMPRISING AN INERT SOLID PEST CONTROL ADJUVANT AND IN AMOUNT SUFFICIENT TO EXERT HERBICIDAL ACTION AN ARYL PSEUDOUREA SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE 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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |