US3730431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for herbicide application in row crops
Assignee: BRUCE CHURCH INC US
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Filing: 1971-05-10
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Granted: 1973-05-01
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Expires: 1991-05-10
Abstract
Abstract A wheeled chassis including dispensing equipment for row planting is also provided with three sets of herbicide dispensers: one for applying a herbicide between rows; a second for synchronous herbicide application in the rows between planting sites; and a third for synchronous application of a different herbicide onto the planting sites.
Inventors
- 👤 D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:30
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0082; A01C; A01C7/00; A01M21/00; A01M21/04; A01M21/043; Y; Y10; Y10S; Y10S111/00; Y10S111/90; Y10S111/915
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
62 words
A method of applying at least two different liquid herbicides onto a row crop field, which comprises: moving a wheeled machine carrying pressurized supplies of said herbicides through the field in a direction parallel to the crop rows; spraying a first herbicide onto the ground between rows and between crop plantings in the rows; and spraying a second herbicide onto the crop.
Claim 2
Independent Claim
62 words
A method of applying at least two different liquid herbicides onto a row crop field, which comprises: moving a wheeled machine carrying pressurized supplies of said herbicides through the field in a direction parallel to the crop rows; spraying a first herbicide onto the ground between rows and between crop plantings in the rows; and spraying a second herbicide onto the crop.
Claim 3
Dependent Claim
24 words
A method as in claim 1, in which the first herbicide is sprayed continuously between rows and intermittently between crop plantings in the rows.
Claim 4
Independent Claim
96 words
A method of applying liquid herbicides to the ground surface while depositing seeds from a planting machine at spaced locations within rows, said machine continuously moving generally parallel to the planting rows, which comprises: directing a first spray of herbicide onto the ground between rows; directing a second herbicide spray of the same herbicide as in said first spray onto the planting rows; directing a third herbicide spray onto the planting rows; and periodically interrupting said second spray to exclude spraying of said deposited seeds therewith and said third spray to exclude spraying between deposited seeds.
Claim 5
Independent Claim
96 words
A method of applying liquid herbicides to the ground surface while depositing seeds from a planting machine at spaced locations within rows, said machine continuously moving generally parallel to the planting rows, which comprises: directing a first spray of herbicide onto the ground between rows; directing a second herbicide spray of the same herbicide as in said first spray onto the planting rows; directing a third herbicide spray onto the planting rows; and periodically interrupting said second spray to exclude spraying of said deposited seeds therewith and said third spray to exclude spraying between deposited seeds.
Claim 6
Dependent Claim
123 words
Apparatus for applying different liquid herbicides to the ground surface of a row crop field from a machine moving through said field along the direction of the rows, comprising: first spray nozzle means carried by said machine directed downwardly toward the ground between rows for spraying a first herbicide thereon; second spray nozzle means carried by said machine and located between crop rows, said nozzle means laterally directed to spray said first herbicide onto the crop row; third spray nozzle means carried by said machine for spraying the crop rows with a further herbicide; and means for synchronizingly controlling the second spray nozzle means to spray only between crop plantings and the third spray nozzle means to spray only on the crop planting.
Claim 7
Dependent Claim
123 words
Apparatus for applying different liquid herbicides to the ground surface of a row crop field from a machine moving through said field along the direction of the rows, comprising: first spray nozzle means carried by said machine directed downwardly toward the ground between rows for spraying a first herbicide thereon; second spray nozzle means carried by said machine and located between crop rows, said nozzle means laterally directed to spray said first herbicide onto the crop row; third spray nozzle means carried by said machine for spraying the crop rows with a further herbicide; and means for synchronizingly controlling the second spray nozzle means to spray only between crop plantings and the third spray nozzle means to spray only on the crop planting.
Claim 8
Dependent Claim
31 words
Apparatus as in claim 4, in which means are provided at the side of said first spray nozzle means to prevent lateral dissemination of the spray therefrom onto the crop rows.
Claim 9
Independent Claim
102 words
A method of applying fluid herbicide to the ground surface of a row crop planting field which comprises: moving a wheeled chassis carrying supplies of first and second herbicides through the field parallel to the crop rows; pressurizing said supplies of herbicides; directing a spray of said first herbicide onto the ground between planting rows; directing individual pressurized sprays of said first and second herbicides onto the rows; and commutating the sprays of first and second herbicides directed onto the planting rows such that the first herbicide is deposited between crop plantings and the second herbicide is deposited onto the crop planting.
Claim 10
Independent Claim
102 words
A method of applying fluid herbicide to the ground surface of a row crop planting field which comprises: moving a wheeled chassis carrying supplies of first and second herbicides through the field parallel to the crop rows; pressurizing said supplies of herbicides; directing a spray of said first herbicide onto the ground between planting rows; directing individual pressurized sprays of said first and second herbicides onto the rows; and commutating the sprays of first and second herbicides directed onto the planting rows such that the first herbicide is deposited between crop plantings and the second herbicide is deposited onto the crop planting.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-30 | 1976-10-30 | 1977-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-30 | 1980-10-30 | 1981-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-30 | 1984-10-30 | 1985-05-01 | $7700.00 | Window Closed / Lapsed |