Patent US1709842A successfully refreshed from Google Patents.
US3267653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Header control for cotton picker
Assignee: Roper Wright Manufacturing Co Inc
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Filing: 1963-08-13
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Granted: 1966-08-23
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Expires: 1983-08-13
Abstract
No abstract record available.
Inventors
- 👤 Winfield D Dawalt
- 👤 Preston M Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:14
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A CROP PICKING APPARATUS COMPRISING A VEHICLE HAVING A FRAME, A HEADER PIVOTALLY MOUNTED ON SAID FRAME FOR VERTICAL MOVEMENT AND COMPRISING A FORWARD CROP PICKING DEVICE AND A REAR CROP PICKING DEVICE SPACED LATERALLY AND REARWARDLY OF SAID FORWARD PICKING DEVICE FOR TRAVERSING BOTH SIDES OF A ROW OF CROP-BEARING PLANTS, A HYDRAULIC SYSTEM INCLUDING RAM MEANS COUPLED TO SAID HEADER AND SAID FRAME, CONTROL VALVE MEANS CONNECTED TO SAID RAM MEANS FOR SELECTIVELY OPERATING SAID RAM MEANS TO ELEVATE OR LOWER SAID HEADER, AND GROUND-CONTACTING FEELER MEANS COMPRISING A FIRST PIVOTED ARM DISPOSED LATERALLY OF SAID FORWARD PICKING DEVICE AND FORWARDLY OF SAID REAR PICKING DEVICE AND A SECOND PIVOTED ARM DISPOSED LATERALLY OF SAID REAR PICKING DEVICE AND REARWARDLY OF SAID FORWARD PICKING DEVICE, SAID FEELER MEANS BEING CONNECTED TO SAID CONTROL VALVE MEANS FOR ELEVATING OR LOWERING SAID HEADER IN RESPONSE TO VARIATIONS IN GROUND LEVEL.
Claim 2
Dependent Claim
150 words
A CROP PICKING APPARATUS COMPRISING A VEHICLE HAVING A FRAME, A HEADER PIVOTALLY MOUNTED ON SAID FRAME FOR VERTICAL MOVEMENT AND COMPRISING A FORWARD CROP PICKING DEVICE AND A REAR CROP PICKING DEVICE SPACED LATERALLY AND REARWARDLY OF SAID FORWARD PICKING DEVICE FOR TRAVERSING BOTH SIDES OF A ROW OF CROP-BEARING PLANTS, A HYDRAULIC SYSTEM INCLUDING RAM MEANS COUPLED TO SAID HEADER AND SAID FRAME, CONTROL VALVE MEANS CONNECTED TO SAID RAM MEANS FOR SELECTIVELY OPERATING SAID RAM MEANS TO ELEVATE OR LOWER SAID HEADER, AND GROUND-CONTACTING FEELER MEANS COMPRISING A FIRST PIVOTED ARM DISPOSED LATERALLY OF SAID FORWARD PICKING DEVICE AND FORWARDLY OF SAID REAR PICKING DEVICE AND A SECOND PIVOTED ARM DISPOSED LATERALLY OF SAID REAR PICKING DEVICE AND REARWARDLY OF SAID FORWARD PICKING DEVICE, SAID FEELER MEANS BEING CONNECTED TO SAID CONTROL VALVE MEANS FOR ELEVATING OR LOWERING SAID HEADER IN RESPONSE TO VARIATIONS IN GROUND LEVEL.
References Cited (Backward Citations)
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |