Patent US3609948A successfully refreshed from Google Patents.
US3609948A
Expired / Lapsed
US
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Crop harvester
Assignee: Deere and Co
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Filing: 1966-06-08
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Granted: 1971-10-05
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Expires: 1986-06-08
Abstract
Abstract A ROW CROP HARVESTER ADAPTED TO BE MOUNTED ON A CROP TREATING UNIT AND INCLUDING A TRANSVERSE SUPPORTING STRUCTURE EXTENDING ACROSS A PLURALITY OF CROP ROWS AND A TRANSVERSE CONVEYOR FEEDING HARVESTED CROPS INWARDLY TO THE TREATING UNIT, A PLURALITY OF CROP HARVESTING UNITS ADAPTED FOR SUPPORT ON THE TRANSVERSE STRUCTURE AT DIFFERENT TRANSVERSE LOCATIONS AND HAVING DRIVE MECHANISM CONNECTED TO AND SHIFTABLE AXIALLY WITH RESPECT TO A MAIN TRANSVERSE DRIVE SHAFT, WITH AT LEAST ONE OF THE UNITS BEING SUPPORTED ON A TRANSVERSE HORIZONTAL PIVOT AND HAVING AN HYDRAULIC CYLINDER CONNECTED THERETO FOR VERTICALLY ADJUSTING THE UNIT.
Inventors
- 👤 Frank D Jones
- 👤 James D Wilkins
- 👤 Charles S Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:42
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021
Claims Analysis
Total Claims: 0
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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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |