Patents by Inventor Stephen M. Carruthers

Stephen M. Carruthers 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).

  • Replaceable shoe cleat
    Patent number: 7774958
    Abstract: A replaceable shoe cleat is provided having a receptacle element and a detachable cleat element. The receptacle element is adapted to be located within a sole of a shoe. The receptacle element has at least one detent receiving portion. The detachable cleat element is capable of insertion into the receptacle element. The detachable cleat element has a frame with at least one resilient detent portion. The cleat element has a movable lock element coupled with and movable relative to the frame. The resilient detent portion is adapted to enter the at least one detent receiving portion when the cleat element is located in the receptacle element. The movable lock element is movable relative to the frame to lock the at least one resilient detent portion relative to the frame.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: August 17, 2010
    Inventor: Stephen M. Carruthers
  • Replaceable shoe cleat
    Publication number: 20080222924
    Abstract: A replaceable shoe cleat is provided having a receptacle element and a detachable cleat element. The receptacle element is adapted to be located within a sole of a shoe. The receptacle element has at least one detent receiving portion. The detachable cleat element is capable of insertion into the receptacle element. The detachable cleat element has a frame with at least one resilient detent portion. The cleat element has a movable lock element coupled with and movable relative to the frame. The resilient detent portion is adapted to enter the at least one detent receiving portion when the cleat element is located in the receptacle element. The movable lock element is movable relative to the frame to lock the at least one resilient detent portion relative to the frame.
    Type: Application
    Filed: March 12, 2007
    Publication date: September 18, 2008
    Inventor: Stephen M. Carruthers
  • Replaceable shoe cleat
    Patent number: D575487
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: August 26, 2008
    Assignee: T-Pop Golf, LLC
    Inventor: Stephen M. Carruthers