Patents Examined by Tracy S. Graveline
  • Athletic shoe with ridged outsole
    Patent number: 4538366
    Abstract: The invention relates to an outer sole for an athletic shoe. The outer sole has a plurality of ridges of varying depth and cleats to provide traction, cushioning and wearability. The outer sole also includes a serpentine, extended ledge of varying depth in areas where large forces are imparted to the outer sole.
    Type: Grant
    Filed: August 26, 1983
    Date of Patent: September 3, 1985
    Assignee: Nike, Inc.
    Inventor: Daniel E. Norton