US PATENT SUBCLASS 473 / 199
.~.~ Electrical

Current as of: June, 1999
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473 /   HD   GAMES USING TANGIBLE PROJECTILE

131  DF  GOLF {23}
198  DF  .~ Moving projectile responsive sensor or indicator {2}
199.~.~ Electrical

DEFINITION

Classification: 473/199

Electrical:

(under subclass 198) Subject matter wherein the detection or information supplying means is powered by electrical current.