Patents by Inventor Ka Po Cheng

Ka Po Cheng 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: 20080214088
    Abstract: A toy top includes a body portion including a circumferential slot thereabout adapted to receive wound therein a portion of a cord used to launch the top. The top spins about a spin axis and is configured so that the slot is at or adjacent the center of gravity of the top. The body portion includes an interior shaft portion extending within the body portion, and an exterior shaft portion extending from the body portion. The cord is attached to a collar attached to the top of the external shaft portion. The cord is rotatably attached relative to the body portion. A weapon may be attached to the body portion, and players may battle their tops using respective weapons.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 4, 2008
    Inventors: Ki Kwan Chu, Ka Po Cheng