Patents by Inventor Karen Hansen-Smith

Karen Hansen-Smith 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: 4838608
    Abstract: A beach chair is made of three tubes, the tubes being bent three-dimensionally, and a method renders the forming economical. The three tubes are bent into the same shape, including parallel legs and a bend connecting the legs. The bend is also curved out of the plane of the parallel legs. The seat has a sling between two legs, and the bend turns down to act as a rear support; the back extends up from the seat; and, a support connects the seat and back for rigidity, and the bend turns down to act as a front support. An optional leg rest is the same shape again, having its legs attached to the seat, and its bend turning down to support the leg rest. To bend the tubing, a thermoplastic trough is shaped as desired, and a heated tube is conformed to the trough.
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: June 13, 1989
    Inventors: Karen Hansen-Smith, John E. Lewis