Patents Represented by Attorney, Agent or Law Firm Raymond Y. H. Chan
  • Patent number: 6663520
    Abstract: An intermediate construction ball pocket includes an inflatable bladder having a valve stem extended therefrom and a fabric made construction ball pocket which has a receiving cavity defined therein for receiving the inflatable bladder therein and a valve hole provided therein for the valve stem extended to an exterior of the ball pocket bladder, wherein the ball pocket bladder is arranged to retain a true roundness shape of the inflatable bladder after inflation. The ball pocket bladder is capable of disposing in a ball carcass of a stitching ball, so as to pop up and support the ball carcass after the inflatable bladder is inflated. Therefore, intermediate construction ball pocket is adapted for retaining the roundness of the stitching ball and enhancing the softness thereof.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: December 16, 2003
    Inventor: Li Chin Ou Chen