Patents by Inventor Frank P. Thorpe

Frank P. Thorpe 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: 4420091
    Abstract: A junction box in which the frame includes a header fitted within the frame, and includes a groove closely following the inner perimeter of the box opening, and a central recess receiving a lid. A floor covering which may be either carpet or vinyl is then cut, following the outline of the groove, and the perimeter of the cut is then covered with a portion of a trim force fitted within the groove. The lid is held down and the corners of the floor covering are pulled tightly against the lid with the covering as a whole held firmly around the entire periphery of the submerged junction box.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: December 13, 1983
    Assignee: CTS Corporation
    Inventors: Frank P. Thorpe, Leslie O. Calhoun
  • Patent number: 4420090
    Abstract: A junction box in which the frame includes a header fitted within the frame, and includes a groove closely following the inner perimeter of the box opening, and a central recess receiving a lid. A floor covering which may be either carpet or vinyl is then cut, following the outline of the groove, and the perimeter of the cut is then covered with a portion of a trim force fitted within the groove. The lid is held down and the corners of the floor covering are pulled tightly against the lid with the covering as a whole held firmly around the entire periphery of the submerged junction box.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: December 13, 1983
    Assignee: CTS Corporation
    Inventors: Frank P. Thorpe, Leslie O. Calhoun