US PATENT SUBCLASS 473 / 158
.~.~.~ And obstacle (e.g., miniature golf course windmill, etc.)

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

131  DF  GOLF {23}
150  DF  .~ Projectile addressing surface and target, or distance marker (e.g., course, putting green with cup, driving range, miniature golf course, etc.) {7}
157  DF  .~.~ Non-earth fairway {3}
158.~.~.~ And obstacle (e.g., miniature golf course windmill, etc.)

DEFINITION

Classification: 473/158

And obstacle (e.g., miniature golf course windmill, etc.):

(under subclass 157) Subject matter and further including a structure positioned to potentially interfere with the travel of the object between the struck location and the member at which the object is aimed.