Patents by Inventor Yu Jing Song

Yu Jing Song 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: 6393705
    Abstract: A cosmetic pencil and sharpener comprises a cap and pencil portion having a sharpened head on a first end portion, an elongated body and a second end portion. The cap includes a recess at one end to engage and cover the pencil head, an intermediate portion and a second closed end portion. The intermediate portion includes a raised angular section located adjacent a longitudinal slot in the cap wall. A blade is mounted to the angular section and extends downwardly into the slot. Rotation of the pencil sharpens the head against the blade while shavings drop outwardly from the slot.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: May 28, 2002
    Inventor: Yu Jing Song