US PATENT SUBCLASS 473 / 176
.~.~.~.~ Having cup marker (e.g., flag pin, etc.) or with sensor responsive to projectile

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

131  DF  GOLF {23}
173  DF  .~ Target or obstacle (e.g., putting hole, hole marker, sand trap, etc.) {5}
174  DF  .~.~ Target on putting surface {2}
175  DF  .~.~.~ Receiver is cup in earth (e.g., regulation hole in green, etc.) {2}
176.~.~.~.~ Having cup marker (e.g., flag pin, etc.) or with sensor responsive to projectile {1}
177  DF  .~.~.~.~.~> And projectile removal {1}

DEFINITION

Classification: 473/176

Having cup marker (e.g., flag pin, etc.) or with sensor responsive to projectile:

(under subclass 175) Subject matter further including a device to provide visual indication as to where the receptacle is located on the surface, or including means to detect a condition of the object.