Patents by Inventor Mariha M. Duplessis

Mariha M. Duplessis 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).

  • Cleaning apparatus
    Publication number: 20010044980
    Abstract: A cleaning apparatus includes an elongate handle and a hollow cleaning head connected to the handle. The cleaning head has a slotted opening on the periphery thereof. A blade is securable to the handle in the interior of the cleaning head and the blade is movable under axial rotation of the handle relative to the cleaning head, between an extended position in which the blade projects outwardly from the cleaning head, and a retracted position in which the blade is contained within the cleaning head.
    Type: Application
    Filed: June 1, 2001
    Publication date: November 29, 2001
    Inventor: Mariha M. Duplessis