Patents by Inventor Duncan Spelman

Duncan Spelman 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).

  • Publication number: 20040105715
    Abstract: A cleaning utensil comprises a hollow, liquid-receiving handle (10) having an outlet (38), a cleaning head (12) in registry with the outlet (38) and an actuator (42) provided on the handle (10) for opening and closing the outlet (38), the actuator (42) including a valve member (54) which for opening and closing the outlet (38). The outlet (38) may be provided in a surface which interfaces with a detachable shoe (20) provided with a cleaning or scouring element (34, 36, 25) or elements, the shoe (20) having an aperture (40) which registers with the outlet (38) so as to allow liquid to flow to the cleaning/scouring element(s) (34, 36).
    Type: Application
    Filed: November 3, 2003
    Publication date: June 3, 2004
    Inventors: Duncan Spelman, Carl Stone, Darren Brian Trowsdale