Patent US2106240A successfully refreshed from Google Patents.
Patent US3425495A successfully refreshed from Google Patents.
US3425495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for thinning row crops
Assignee: ELMER A RADER
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Filing: 1965-09-15
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Granted: 1969-02-04
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Expires: 1985-09-15
Abstract
No abstract record available.
Inventors
- 👤 Hal B Reeve
- 👤 Henry J Brettrager
- 👤 Elmer A Rader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:44
CPC Classifications
A; A01; A01B; A01B41/00; A01B41/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
A METHOD OF THINNING GROWING PLANTS PLANTED IN ROWS TO PROVIDE A PREDETERMINED SPACING BETWEEN THE PLANTS IN A ROW COMPRISING: MOVING A CUTTER ALONG A ROW OF PLANTS WHICH ARE NOT IN A CONSTANT LINE OF THE LENGTH OF SAID SPACING WITH THE CUTTER DISPOSED IN THE GROUND IN POSITION TO SEVER THE ROOTS OF PLANTS ENCOUNTERED SIMULTANEOUSLY MOVING ALONG THE ROW; A SENSING MEANS CONNECTED TO RAISE THE CUTTER UPON SENSING THE PRESENCE OF A PLANT; SENSING THE PRESENCE OF A PLANT IMMEDIATELY AHEAD OF THE CUTTER AND AUTOMATICALLY RAISING THE CUTTER TO SPARE A FIRST PLANT; HOLDING THE CUTTER IN RAISED POSITION FOR A PREDETERMINED TIME GAUGED BY THE SPEED OF THE CUTTER ALONG THE ROW FOR A SUFFICIENT TIME TO SPARE THE SAID FIRST PLANT; PREVENTING THE SENSING MEANS FROM RAISING THE CUTTER FOR A PREDETERMINED TIME GAUGED SOLELY BY THE SPEED OF THE CUTTER ALONG THE ROW; LOWERING THE CUTTER INTO THE GROUND AND HOLDING IT THERE FOR A PREDETERMINED TIME TO SEVER THE ROOTS OF ALL PLANTS ENCOUNTERED AS THE CUTTER PROCEEDS FORWARDLY A DESIGNATED DISTANCE AND WHILE THE SENSING MEANS IS PREVENTED FROM RAISING THE CUTTER; AND THEN, AFTER THE CUTTER HAS MOVED A PREDETERMINED DISTANCE FORWARDLY IN THE GROUND, REACTIVATING THE SENSING MEANS SO THAT IT CAN RAISE THE CUTTER WHEN ANOTHER PLANT AT LEAST THE DESIGNATED MINIMUM DISTANCE AHEAD OF THE SAID FIRST PLANT IS SENSED.
Claim 2
Independent Claim
235 words
A METHOD OF THINNING GROWING PLANTS PLANTED IN ROWS TO PROVIDE A PREDETERMINED SPACING BETWEEN THE PLANTS IN A ROW COMPRISING: MOVING A CUTTER ALONG A ROW OF PLANTS WHICH ARE NOT IN A CONSTANT LINE OF THE LENGTH OF SAID SPACING WITH THE CUTTER DISPOSED IN THE GROUND IN POSITION TO SEVER THE ROOTS OF PLANTS ENCOUNTERED SIMULTANEOUSLY MOVING ALONG THE ROW; A SENSING MEANS CONNECTED TO RAISE THE CUTTER UPON SENSING THE PRESENCE OF A PLANT; SENSING THE PRESENCE OF A PLANT IMMEDIATELY AHEAD OF THE CUTTER AND AUTOMATICALLY RAISING THE CUTTER TO SPARE A FIRST PLANT; HOLDING THE CUTTER IN RAISED POSITION FOR A PREDETERMINED TIME GAUGED BY THE SPEED OF THE CUTTER ALONG THE ROW FOR A SUFFICIENT TIME TO SPARE THE SAID FIRST PLANT; PREVENTING THE SENSING MEANS FROM RAISING THE CUTTER FOR A PREDETERMINED TIME GAUGED SOLELY BY THE SPEED OF THE CUTTER ALONG THE ROW; LOWERING THE CUTTER INTO THE GROUND AND HOLDING IT THERE FOR A PREDETERMINED TIME TO SEVER THE ROOTS OF ALL PLANTS ENCOUNTERED AS THE CUTTER PROCEEDS FORWARDLY A DESIGNATED DISTANCE AND WHILE THE SENSING MEANS IS PREVENTED FROM RAISING THE CUTTER; AND THEN, AFTER THE CUTTER HAS MOVED A PREDETERMINED DISTANCE FORWARDLY IN THE GROUND, REACTIVATING THE SENSING MEANS SO THAT IT CAN RAISE THE CUTTER WHEN ANOTHER PLANT AT LEAST THE DESIGNATED MINIMUM DISTANCE AHEAD OF THE SAID FIRST PLANT IS SENSED.
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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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |