Patents by Inventor Leslie A. Boros

Leslie A. Boros 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: 4998329
    Abstract: A receptacle residing within a recess in the sole of a shoe includes an opening located along the edge of the shoe. A lug, receivable through the opening within the receptacle is carried by a flap extending from the upper of the shoe. An indentation carried by the lug is matingly engageable with a protrusion residing within the receptacle. Pressure from the foot of the wearer upon the sole of the shoe prevents disengagement of the lug from the receptacle.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: March 12, 1991
    Inventor: Leslie A. Boros
  • Patent number: 4839948
    Abstract: A receptacle residing within a recess in the sole of a shoe includes an opening located along the edge of the shoe. A lug, receivable through the opening within the receptacle is carried by a flap extending from the upper of the shoe. An indentation carried by the lug is matingly engageable with a protrusion residing within the receptacle. Pressure from the foot of the wearer upon the sole of the shoe prevents disengagement of the lug from the receptacle.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: June 20, 1989
    Inventor: Leslie A. Boros
  • Patent number: 4363177
    Abstract: Each of a plurality of readily detachably attachable heels and each of a plurality of readily detachably attachable uppers are selectively mounted upon a sole and offer a user the freedom of rapid facile changes in style of footwear.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: December 14, 1982
    Inventor: Leslie A. Boros