Patents by Inventor Mary K. McKenzie

Mary K. McKenzie 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: 4865015
    Abstract: The hearth guard includes a plurality of flameproof cotton batting sheets. A rectangular flameproof cloth encases the plurality of flameproof cotton batting sheets. Elastic bands are encased within and affixed inside the cover, situated at and parallel to the top and bottom of the cover, within openings defined by at least one seam. The elastic bands allow for fitting the cover to the hearth. Drawstrings are inserted longitudinally through the top and bottom of the cover, within openings defined by at least one seam. The drawstrings allow for securing the cover to the hearth. The elastic bands and drawstrings may use the same opening or may have separate openings. If separate openings are used, the openings may share a common seam. At least one pair of tie strings is used to secure the cover to an upstanding side. For each pair of tie strings, one tie string is affixed to the edge of the cover, while the remaining tie string is affixed to the opposite edge of the cover.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: September 12, 1989
    Inventors: Kathy M. Hasty, Mary K. McKenzie