US2933383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of combating weeds using nu-substituted carbamates of 2, 4, 5-trichloro, 6-nitro phenol
Assignee: Union Carbide Corp
•
Filing: 1956-11-23
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Granted: 1960-04-19
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Lambrech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/22; C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE METHOD OF COMBATTING WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED A HERBICIDAL AMOUNT OF A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim
24 words
THE METHOD OF COMBATTING WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED A HERBICIDAL AMOUNT OF A COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US1252451A
Cited
DE450184C
Cited
US2209245A
Cited
FR1081976A
Cited
FR1101980A
Cited
US2776197A
Cited
US2791603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |