Patent US3031292A successfully refreshed from Google Patents.
US3031292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the control of weeds
Assignee: EIDP Inc
•
Filing: 1959-06-22
•
Granted: 1962-04-24
•
Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Charles W Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:18
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE METHOD FOR THE CONTROL OF WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED, IN AMOUNTS SUFFICIENT TO EXERT A HERBICIDAL ACTION, A NITROPHENYLUREA REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
30 words
THE METHOD FOR THE CONTROL OF WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED, IN AMOUNTS SUFFICIENT TO EXERT A HERBICIDAL ACTION, A NITROPHENYLUREA 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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |