Patents by Inventor Stephen Lockett

Stephen Lockett 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: 5020651
    Abstract: A chute is disclosed for passing articles such as laundry between floors or walls in a building. The chute has a tubular frame to be securely inserted in an opening in a planar partition, and a flexible tube attached to and hanging from the frame. The tubular frame has a peripheral wall defining an inlet in communication with one side of the planar partition and an outlet extending beyond the other side of the planar partition. A peripheral flange is outwardly directed from the peripheral wall adjacent to the inlet and is adapted to rest against one side of the planar partition. A gripping projection extends transversely from the peripheral wall and is spaced from the other side of the planar partition. The flexible tube is releasably attached to the gripping projection. A lid is movably connected to the frame to open and close the inlet.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: June 4, 1991
    Inventor: Stephen Lockett