Patents by Inventor James L. Hackett

James L. Hackett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4273340
    Abstract: A portable horseshoe court includes a support frame, an elongated horseshoe stake, and a stake support block secured to the frame for supporting the stake in a generally upright position. The block has a hole through the top thereof which is adapted to axially receive the stake in press-fit relation therein. A plurality of flexible springs or the like are extended between and connected to opposite sides of the frame and a rubber pad, having a hole for the stake, rests on the frame and springs. The hole in the stake support block may be provided with an abutment member to fix the axial position of the stake therein. The frame may be a peripheral frame comprising oppositely disposed frame members having a pad support flange along the top side thereof. The top sides of the springs are arranged in the plane of the pad support flanges. An elongated chain connects a pair of courts to fix the regulation distance between them.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: June 16, 1981
    Inventor: James L. Hackett
  • Patent number: D693660
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: November 19, 2013
    Inventors: James L. Hackett, Michael James Hackett