Patents by Inventor Barrieann C. Clifton

Barrieann C. Clifton 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 having a detachable heel
    Patent number: 5079857
    Abstract: A shoe having a detachable heel. The shoe includes a foot receptacle portion having a threaded stem extending downwardly from the foot receptacle portion and a locking pin slot, and a shoe heel threadedly engageable to the stem and having a locking pin assembly which engages the locking pin slot to secure the heel in a fixed position.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: January 14, 1992
    Inventor: Barrieann C. Clifton