US3039863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl sulfonyl acetamides as herbicides
Assignee: Stauffer Chemical Co
•
Filing: 1959-11-19
•
Granted: 1962-06-19
•
Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn W Fancher
- 👤 Don R Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:37
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
THE METHOD OF CONTROLLING WEEDS COMPRISING APPLYING TO THE SOIL A PHYTOTOXIC AMOUNT OF N-ISOBUTYL-P-CHLOROPHENYL SULFONYL ACETAMIDE.
Claim 2
Independent Claim
17 words
THE METHOD OF CONTROLLING WEEDS COMPRISING APPLYING TO THE SOIL A PHYTOTOXIC AMOUNT OF N-ISOBUTYL-P-CHLOROPHENYL SULFONYL ACETAMIDE.
Claim 3
Independent Claim
17 words
THE METHOD OF CONTROLLING WEEDS, COMPRISING APPLYING TO THE SOIL A PHYTOTOXIC AMOUNT OF N-ISOBUTYL-P-METHYLPHENYL SULFONYL ACETAMIDE.
Claim 4
Independent Claim
17 words
THE METHOD OF CONTROLLING WEEDS, COMPRISING APPLYING TO THE SOIL A PHYTOTOXIC AMOUNT OF N-ISOBUTYL-P-METHYLPHENYL SULFONYL ACETAMIDE.
References Cited (Backward Citations)
US2268274A
Cited
US2456991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |