Patents by Inventor Thomas Richard Robbins

Thomas Richard Robbins 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: 4069601
    Abstract: An article of footwear including a platform, an upper vamp, a bottom sole and an insole. The platform includes first and second uniformly thick layers of foam rubber having a given density extending throughout the toe and heel portions of the platform, and a third layer of foam rubber having a greater density positioned between the first and second layers in the heel portion of the platform and terminating in a wedge pointing away from the heel portion for providing a platform in which the bottom surface of the platform is relatively flat and the top surface of the platform is raised in the heel portion. The upper vamp includes a thong attached to the toe portion of the platform, and side straps attached to the thong and to opposite sides of the heel portion of the platform. The side straps flare out in width from the thong to a width of at least 11/2 inches where the side straps are attached to the heel portion. The bottom sole consists of crepe rubber and extends over the bottom surface of the platform.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: January 24, 1978
    Assignee: Young Californian Shoes, Inc.
    Inventors: Thomas Richard Robbins, Stephen Edson Cunliffe