US2661272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-cyclohexyl-3, 3-dialkylureas and their use as herbicides
Assignee: EIDP Inc
•
Filing: 1950-09-21
•
Granted: 1953-12-01
•
Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 Norman E Searle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:20
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A 1-CYCLOHEXY-3,3-DIALKYLURA HAVING THE FORMULA
Claim 2
Dependent Claim
27 words
A HERBICIDAL METHOD WHICH COMPRISES APPLY ING TO LOCUS TO BE PROTECTED FROM WEEDS A COMPOSITION CONTAINING A 1-CYCLOHEXY-3,3-DIALKYLUREA AS AN ESSENTIAL HERBICIDAL AGENT IN EFFECTIVE AMOUNT.
References Cited (Backward Citations)
US237485A
Cited
US2477872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |