US PATENT SUBCLASS 473 / 175
.~.~.~ Receiver is cup in earth (e.g., regulation hole in green, etc.)

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.~.~.~ Receiver is cup in earth (e.g., regulation hole in green, etc.) {2}
176  DF  .~.~.~.~> Having cup marker (e.g., flag pin, etc.) or with sensor responsive to projectile {1}
179  DF  .~.~.~.~> Cup diameter restriction means (e.g., filler plug, etc.)

DEFINITION

Classification: 473/175

Receiver is cup in earth (e.g., regulation hole in green, etc.):

(under subclass 174) Subject matter wherein the surface is dirt or grass, and the member is a receptacle defining an opening in the surface.