Game ball

  • US 5,722,906 A
  • Filed: 09/29/1995
  • Issued: 03/03/1998
  • Est. Priority Date: 03/21/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A game ball in the shape of a sphere for use in playing street hockey, the game ball consisting of a hard, rigid spherical shell enclosing a cavity, and a non-toxic liquid antifreeze contained in said cavity, the spherical shell having a smooth unobstructed spherical inner surface, and the non-toxic liquid antifreeze occupying less than one-half of the volume of said cavity whereby the center of gravity of said game ball is below the geometric center of said game ball and the non-toxic liquid antifreeze moves freely over the spherical inner surface of said game ball during movement of the game ball over a playing surface.

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