US PATENT SUBCLASS 473 / 140
.~.~ With electrical sensor or electrical indicator

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

131  DF  GOLF {23}
139  DF  .~ Anchored (e.g., tethered, etc.) projectile {8}
140.~.~ With electrical sensor or electrical indicator {1}
141  DF  .~.~.~> Pictorial flight path image display

DEFINITION

Classification: 473/140

With electrical sensor or electrical indicator:

(under subclass 139) Subject matter including means operated by electrical current to detect a condition of the object; or means operated by electrical current to provide a player with information concerning a condition of the object.