US2857260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isopropyl-3-chloro-6-methyl phenyl carbamate and herbicidal compositions and methodsemploying the same
Assignee: Spencer Chemical Co
•
Filing: 1952-09-23
•
Granted: 1958-10-21
•
Expires: 1972-09-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry F Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:56
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
ISOPROPYL-3-CHLORO-6-METHYLPHENYL CARBAMATE
Claim 2
Dependent Claim
2 words
ISOPROPYL-3-CHLORO-6-METHYLPHENYL CARBAMATE
Claim 3
Independent Claim
23 words
THE METHOD OF COMBATING WEEDS WHICH COMPRISES APPLYING A HERBICAL CONCENTRATION OF ISOPROPYL-N-(3CHLORO-6-METHYLPHENYL) CARBAMATE TO THE ENVIRONMENT IN WHICH WEED GROWTH IS UNDERSIBLE.
Claim 4
Independent Claim
23 words
THE METHOD OF COMBATING WEEDS WHICH COMPRISES APPLYING A HERBICAL CONCENTRATION OF ISOPROPYL-N-(3CHLORO-6-METHYLPHENYL) CARBAMATE TO THE ENVIRONMENT IN WHICH WEED GROWTH IS UNDERSIBLE.
References Cited (Backward Citations)
GB574995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |