US3682934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 3-(2-lower-alkoxy-5-pyridyl)-ureas
Assignee: Individual
•
Filing: 1970-04-10
•
Granted: 1972-08-08
•
Expires: 1990-04-10
Abstract
Abstract Pyridylureas of the general formula IN WHICH R1, R2 and R3 have the meanings given below, their manufacture and pesticidal preparations containing them are disclosed.
Inventors
- 👤 Henry Martin
- 👤 Georg Pissiotas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:52
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
19 words
A compounD according to claim 1 of the formula wherein R1 is C1-C4 alkyl and R3 is C1-C4 alkyl.
Claim 2
Dependent Claim
9 words
The compound according to claim 1 of the formula
Claim 3
Dependent Claim
9 words
The compound according to claim 1 of the formula
References Cited (Backward Citations)
US3404152A
Cited
US3376309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |