Patents by Inventor Chin-Fen Liu

Chin-Fen 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).

  • Patent number: 5501321
    Abstract: An eyeglasses case including a cover made of transparent colored material and having two lugs each at one side thereof, a movable frame having two ears each at one end thereof and being rotatably connected between the two lugs of the cover, the movable frame having a bottom formed with a recess and having a top formed with two slits, and a container having two side edges adapted to engage with the lugs of the cover and two upper edges adapted to engage with the slits of the movable frame, whereby the cover can be disengaged from the container so as to be used as a sunshield for a pair of eyeglasses as desired.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: March 26, 1996
    Inventor: Chin-Fen Liu
  • Patent number: 5376977
    Abstract: The present invention relates to a kind of glasses structure for advertising mainly comprising a movable cover plate, a pair of glasses and a hook mounting. The movable cover is inserted to the front frame of the glasses at the two convex pieces found on each side by means of a convex axis designed at both sides of the upper section of the glasses. The hook mounting is specially designed such that the pair of glasses can be kept at the waist to a belt and the movable cover plate can thereon be used as a very convenient means of publicity.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: December 27, 1994
    Inventor: Chin-Fen Liu