Patents by Inventor Howard E. Gilbert

Howard E. Gilbert 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: 3936968
    Abstract: An adjustable frame comprising corner members, cross braces for connecting said corner members, the cross braces comprising strips which can be cut down or bent back so as to adjust the cross braces to any desired frame size, a plurality of apertures on each of the cross braces performing a double function, the first function being to provide apertures for connecting the brace to diagonally opposite corner member, the second function being to provide means for anchoring a suspension wire to the frame. Two of the corner members include means for adjustably connecting the cross brace thereto so as to assure that the cross brace is tight. Each of the corner members further include stand receiving means to permit the frame to be supported on its end or on its side. The stand is an L-shaped member capable of being selectively inserted in the stand receiving means so as to permit the frame to be weighted down or anchored to the ground.
    Type: Grant
    Filed: July 18, 1973
    Date of Patent: February 10, 1976
    Inventor: Howard E. Gilbert