Patent US2289988A successfully refreshed from Google Patents.
US3097944A
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Herbicidal method
Assignee: Uniroyal Inc
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Filing: 1961-10-12
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Granted: 1963-07-16
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Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 John A Riddell
- 👤 Schmeling Bogislav Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:30
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
THE METHOD OF CONTROLLING WEEDS IN SOIL WHICH COMPRISES TREATING THE SOIL BEFORE EMERGENCE OF WEEDS WITH A HERBICIDAL AMOUNT OF A CHEMICAL SELECTED FROM THE GROUP CONSISTING OF N-PHENYLITACONIMIDE, N-(METHYLPHENYL)ITACONIMIDES, N-(DIMETHYLPHENYL)ITACONIMIDES, N-(METHOXYPHENYL)ITACONIMIDES AND N - (CHLOROPHENYL)ITACONIMIDES.
Claim 2
Independent Claim
37 words
THE METHOD OF CONTROLLING WEEDS IN SOIL WHICH COMPRISES TREATING THE SOIL BEFORE EMERGENCE OF WEEDS WITH A HERBICIDAL AMOUNT OF A CHEMICAL SELECTED FROM THE GROUP CONSISTING OF N-PHENYLITACONIMIDE, N-(METHYLPHENYL)ITACONIMIDES, N-(DIMETHYLPHENYL)ITACONIMIDES, N-(METHOXYPHENYL)ITACONIMIDES AND N - (CHLOROPHENYL)ITACONIMIDES.
References Cited (Backward Citations)
US2865730A
Cited
US2900243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |