Patents by Inventor Albert Hurst

Albert Hurst 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).

  • Electrical outlet box
    Patent number: 4331832
    Abstract: An electrical outlet floor box including an upright, open top cylindrical housing member, a ball ring, and a cover assembly secured to the open top of the housing member by means of the ball ring; said housing member is embedded in a concrete floor and the upper portion removed in proximity to, and in a plane parallel to, the surface of the concrete. The ball ring insures that the upper surface of the cover assembly is parallel to the surface of the concrete floor even if the axis of the cylindrical housing member deviates somewhat from normality to the surface of the concrete floor.
    Type: Grant
    Filed: January 10, 1980
    Date of Patent: May 25, 1982
    Assignee: Sedco Pipe Products, Inc.
    Inventors: John S. Curtis, Albert Hurst