Patents by Inventor Vijay Surpuriya

Vijay Surpuriya 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).

  • Shoe insole
    Patent number: 4642912
    Abstract: A shoe insole having superior cushioning and comfort, good resistance to buckling, and excellent retention of cushioning properties after wear. The insole consists of three layers:(a) a bottom layer having compressive strength of at least 0.3 kg/cm.sup.2 at 40% strain,(b) an intermediate layer having less compressive strength at 40% strain than the bottom layer, and(c) a top layer constructed of fabric. The three layers are laminated together and shaped to fit inside of an article of footwear.
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: February 17, 1987
    Assignee: Scholl, Inc.
    Inventors: Gary C. Wildman, Frank Wirth, Vijay Surpuriya
  • Athletic shoe insole
    Patent number: D288621
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: March 10, 1987
    Assignee: Scholl, Inc.
    Inventors: Vijay Surpuriya, Charles J. Gudas
  • Shoe heel insert
    Patent number: D291742
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: September 8, 1987
    Assignee: Scholl, Inc.
    Inventors: ViJay Surpuriya, Charles J. Gudas