Patent US3566587A successfully refreshed from Google Patents.
US3566587A
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US
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Header control system for mechanical cotton picking machine
Assignee: Noble Manufacturing Co
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Filing: 1968-10-09
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Granted: 1971-03-02
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Expires: 1988-10-09
Abstract
Abstract A CONTROL SYSTEM FOR HYDRAULICALLY RAISING AND LOWERING COTTON PICKING MACHINE HEADERS INVOLVING AN ELECTRICAL-HYDRAULIC CIRCUITRY SUPPLEMENTAL TO THE HYDRAULIC POWER SYSTEM OF THE MACHINE AND IN WHICH GROUND LEVEL IS SENSED MECHANICALLY TO OPERATE ELECTRICAL CIRCUITRY FEEDING SIGNAL TO HYDRAULIC POWER TO THE RAISING AND LOWERING MECHANISM IN PARALLEL WITH THE HYDRAULIC CIRCUITRY ON THE MACHINE.
Inventors
- 👤 Donald D Janssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:48
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/14; A01D41/141; A01D46/00; A01D46/08; Y; Y10; Y10S; Y10S56/00; Y10S56/15
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |