Patent US4138137A successfully refreshed from Google Patents.
Patent US3439666A successfully refreshed from Google Patents.
Patent US3254984A successfully refreshed from Google Patents.
US3254984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method
Assignee: EIDP Inc
•
Filing: 1963-01-09
•
Granted: 1966-06-07
•
Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Rayner S Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:11
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THE METHOD OF KILLING WEEDS COMPRISING APPLYING TO THE AREA TO BE PROTECTED A HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
Claim 2
Independent Claim
23 words
THE METHOD OF KILLING WEEDS COMPRISING APPLYING TO THE AREA TO BE PROTECTED A HERBICIDALLY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2709648A
Cited
US2651620A
Cited
US2876088A
Cited
US2870205A
Cited
US2960534A
Cited
US2898206A
Cited
US3089765A
Cited
US3112342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |