Patents by Inventor Chou Yu Hsing

Chou Yu Hsing 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).

  • Lipstick case with cam mechanism
    Patent number: 7753608
    Abstract: A lipstick case includes a cylindrical case body and a tube axially movably mounted in the case body to hold a lipstick. The tube has a vertically sliding groove and a guide groove disposed at two opposite lateral sides of a bottom base block thereof. A limiter device is formed of a holder base, a limiter element, a spring member and a constraint member. The limiter device is fastened to the inside of the case body for guiding and limiting axial movement of the tube relative to the case body.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: July 13, 2010
    Inventor: Chou Yu Hsing
  • Lipstick case
    Publication number: 20100021226
    Abstract: A lipstick case is disclosed to include a cylindrical case body, a tube axially movably mounted in the case body to hold a lipstick and having a vertically sliding groove and a guide groove disposed at two opposite lateral sides of a bottom base block thereof, and a limiter device formed of a holder base, a limiter element, a spring member and a constraint member and fastened to the inside of the case body for guiding and limiting axial movement of the tube relative to the case body.
    Type: Application
    Filed: July 23, 2008
    Publication date: January 28, 2010
    Inventor: Chou Yu Hsing