Patents by Inventor Larry Barton Curtis

Larry Barton Curtis 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: 5954073
    Abstract: A dishwasher including a third level washing apparatus which is low cost and effective in spraying water over the upper rack of the dishwasher is described. More particularly, and in one embodiment, the dishwasher includes a rotatable arm mounted in the dishwasher tub below the lower rack for providing first level washing, and a retractable tower secured to, and rotatable with, the rotatable arm and positioned to extend through the lower rack when fully extended. The retractable tower provides second level washing. The dishwasher also includes a third level wash apparatus having a base secured to the upper rack and an elongate body extending from the base. A water passage extends through the base and elongate body. In one embodiment, a spray member is spaced from an open outlet end of the elongate body, and at least one support member extends from the elongate body to the spray member for supporting the spray member at an elevation above the upper rack.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: September 21, 1999
    Assignee: General Electric Company
    Inventors: Joseph Duane Tobbe, Andrew Joseph Spanyer, Larry Barton Curtis