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Slope grader

  • US 3,203,120 A
  • Filed: 05/17/1963
  • Issued: 08/31/1965
  • Est. Priority Date: 05/17/1963
  • Status: Expired due to Term
First Claim
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11. A SLOPE GRADE COMPRISING, IN COMBINATIN, A MOLD BOARD HAVING A LENGTHWISE AXIS, SAID MOLD BORD BEING PIVOTABLE ABOUT A FIRST AXIS SUBSTANTIALLYPARALLEL TO ITS LENGHTWISE AXIS AND ABOUT A SECOND AXIS PERPENDICULAR TO SID FIRST AXIS;

  • AND A POSITIONING MEMBER ATTACHED TO THE MOLD BOARD AND PIVOTAL ABOUT A THIRD AXIS PARALLEL TO THE SAID FIRST AXIS;

    MEANS FOR ROTATING THE POSITIONING MEMBER AND SAID THIRD AXIS ABOUT SID SECOND AXIS, AND

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