US3196599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic height control system
Assignee: Individual
•
Filing: 1963-05-20
•
Granted: 1965-07-27
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Elmo R Meiners
- 👤 Melvin E Bonomo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D41/00; A01D41/12; A01D41/14; A01D41/141; F; F15; F15B; F15B20/00; Y; Y10; Y10S; Y10S56/00; Y10S56/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN COMBINATION WITH A ROW CROP MACHINE HAVING A CROP MANIPULATING HEAD VERTICALLY ADJUSTABLE RELATIVE TO THE FRAME OF THE MACHINE AND HYDRAULICALLY OPERATED MEANS TO EFFECT SUCH VERTICAL ADJUSTMENT; A SYSTEM OF THE CHARACTER DESCRIBED HAVING GROUND CONTOUR RESPONSIVE MEANS FOR AUTOMATICALLY CONTROLLING SAID HYDRAULICALLY OPERATED ADJUSTING MEANS AND COMPRISING FEELER APPARATUS MOUNTED ON THE MACHINE FRAME AND HAVING A PAIR OF GROUND ENGAGING SHOES LOCATED ON OPPOSITE SIDES OF THE ROW BEING MANIPULATED AND IN SUBSTANTIALLY LATERAL ALIGNMENT WITH THE CROP MANIPULATING PORTION OF SAID HEAD, A HYDRAULIC CONTROL VALVE FOR SAID HYDRAULICALLY OPERATED ADJUSTING MEANS MOUNTED ON THE CROP MANIPULATING HEAD AND HAVING A NEUTRAL POSITION, A "RAISE" POSITION AND A "LOWER" POSITION, HYDRAULIC CONNECTIONS FROM SAID CONTROL VALVE TO SAID HYDRAULICALLY OPERATED MEANS TO EFFECT RAISING OF SAID CROP MANIPULATING HEAD IN THE "RAISE" POSITION OF SAID VALVE AND LOWERING OF SAID CROP MANIPULAT-
Claim 2
Dependent Claim
148 words
IN COMBINATION WITH A ROW CROP MACHINE HAVING A CROP MANIPULATING HEAD VERTICALLY ADJUSTABLE RELATIVE TO THE FRAME OF THE MACHINE AND HYDRAULICALLY OPERATED MEANS TO EFFECT SUCH VERTICAL ADJUSTMENT; A SYSTEM OF THE CHARACTER DESCRIBED HAVING GROUND CONTOUR RESPONSIVE MEANS FOR AUTOMATICALLY CONTROLLING SAID HYDRAULICALLY OPERATED ADJUSTING MEANS AND COMPRISING FEELER APPARATUS MOUNTED ON THE MACHINE FRAME AND HAVING A PAIR OF GROUND ENGAGING SHOES LOCATED ON OPPOSITE SIDES OF THE ROW BEING MANIPULATED AND IN SUBSTANTIALLY LATERAL ALIGNMENT WITH THE CROP MANIPULATING PORTION OF SAID HEAD, A HYDRAULIC CONTROL VALVE FOR SAID HYDRAULICALLY OPERATED ADJUSTING MEANS MOUNTED ON THE CROP MANIPULATING HEAD AND HAVING A NEUTRAL POSITION, A "RAISE" POSITION AND A "LOWER" POSITION, HYDRAULIC CONNECTIONS FROM SAID CONTROL VALVE TO SAID HYDRAULICALLY OPERATED MEANS TO EFFECT RAISING OF SAID CROP MANIPULATING HEAD IN THE "RAISE" POSITION OF SAID VALVE AND LOWERING OF SAID CROP MANIPULAT-
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |