| 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} |
| 431 | DF | .~.~ Having projectile return means {3} |
| 434 | ![]() | .~.~.~ Deflector {1} |
| 435 | DF | .~.~.~.~> Planar |