| 473 / | HD | GAMES USING TANGIBLE PROJECTILE |
| 415 | DF | PLAYING FIELD OR COURT GAME; GAME ELEMENT OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE {14} |
| 422 | DF | .~ Practice or training device {7} |
| 451 | DF | .~.~ For game in which play involves base running (e.g., for baseball, cricket, etc.) {5} |
| 454 | ![]() | .~.~.~ Pitcher's target {2} |
| 455 | DF | .~.~.~.~> With electrically operated or actuated indicator |
| 456 | DF | .~.~.~.~> Having subdivided strike zone |