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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
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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 23:34
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-

References Cited (Backward Citations)

CA491058A Cited
US2700857A Cited
US2674075A Cited
US2660015A Cited
US2972847A Cited
US3088264A Cited

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

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