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Patent US3477654A successfully refreshed from Google Patents.
US2863754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of weed control
Assignee: National Research Development Corp UK
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Filing: 1955-04-22
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Granted: 1958-12-09
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Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Wain Ralph Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:31
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR ERADICATING WEEDS FROM CROP AREAS CONTAINING A GROWING CROP SELECTED FROM CELERY, PARSNIP, PEA DNE LEGUMINOUS FODDER CROPS OF THE GENERA TRIFOLIUM AND MEDICAGO WHICH COMPRISES APPLYING TO THE CROP AREAS A HERBICIDE OF THE CLASS CONSISTING OF THE W-(2: 4-DICHLOROPHENOXY)-BUTYRIC AND CAPROIC ACIDS, THEIR SALTS ESTERS, NITRILES AND AMIDES, AT A RATE SUFFICIENT TO KILL THE WEEDS WITHOUT SIGNIFICANT DAMAGE TO THE CROP.
Claim 2
Independent Claim
67 words
A METHOD FOR ERADICATING WEEDS FROM CROP AREAS CONTAINING A GROWING CROP SELECTED FROM CELERY, PARSNIP, PEA DNE LEGUMINOUS FODDER CROPS OF THE GENERA TRIFOLIUM AND MEDICAGO WHICH COMPRISES APPLYING TO THE CROP AREAS A HERBICIDE OF THE CLASS CONSISTING OF THE W-(2: 4-DICHLOROPHENOXY)-BUTYRIC AND CAPROIC ACIDS, THEIR SALTS ESTERS, NITRILES AND AMIDES, AT A RATE SUFFICIENT TO KILL THE WEEDS WITHOUT SIGNIFICANT DAMAGE TO THE CROP.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |