Patents by Inventor Harvey J. Weir

Harvey J. Weir 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).

  • Chimney cleaning brush
    Patent number: 4562608
    Abstract: This invention relates to a brush for cleaning chimneys, which brush can be passed in a folded configuration through a chimney in one direction. The brush can then be passed in the opposite direction through the chimney, and assumes during such passage an unfolded configuration, such opposite direction passage acting to maintain it in such unfolded configuration.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: January 7, 1986
    Inventor: Harvey J. Weir