Patents by Inventor Kenneth Blumenstein

Kenneth Blumenstein 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: 4429473
    Abstract: An attractive, sleek, comfortable, light weight ladies shoe includes a hard molded, polyurethane unitary body forming an elevated heel, a shank and an outer sole. The body has a load bearing upwardly directed face and a flange extending upwardly approximately at right angles to the face from the periphery of the outer sole and shank to the exclusion of the heel. A resilient foam polyurethane soft cushion layer having a thickness of approximately one-quarter inch and an upper face as well as a bottom face bears against the load bearing face of the body. A sheet of material covers the upper face of the cushion layer and is secured to the upper face of the body underneath of the cushion. An upper is secured in place between the upwardly directed face of the body and the bottom face of the cushion layer.
    Type: Grant
    Filed: September 17, 1981
    Date of Patent: February 7, 1984
    Inventor: Kenneth Blumenstein