Patents by Inventor Hsiang-Chuan Liu

Hsiang-Chuan Liu 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: 20060010729
    Abstract: A nail-free interchangeable canvas frame is provided, which is adapted to fasten a canvas for a user to work on the canvas. The nail-free interchangeable canvas frame mainly includes a plurality of brackets and a plurality of fixing parts. Each bracket has a front side and a corresponding rear side. Each bracket has a clasp structure. The brackets are connected to each other to form a frame body. The canvas is adapted to be disposed on the front side of the brackets that form the frame body. The periphery of the canvas is adapted to be flipped and folded to the clasp structure of the bracket. The fixing part can fasten the periphery of the canvas to the clasp structures.
    Type: Application
    Filed: June 21, 2005
    Publication date: January 19, 2006
    Inventor: Hsiang-Chuan Liu