US Trademark Classification US28 Toys, games and sporting goods 游戏隧道（028-716） Class 28 游戏隧道 028-716 Chinese 游戏隧道 English Play tunnels Spanish Túneles de juego Term ID 028-716 Class 28 Type Goods Status Active · added, not since modified (A) Effective date 2001-06-01 Version 07-1997