US PATENT SUBCLASS 473 / 196
.~.~.~ Aperture forming surface forms plane parallel to support surface

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}
195  DF  .~.~ Projectile receiving aperture (e.g., goal opening, etc.) {1}
196.~.~.~ Aperture forming surface forms plane parallel to support surface

DEFINITION

Classification: 473/196

Aperture forming surface forms plane parallel to support surface:

(under subclass 195) Subject matter wherein the structure is constructed to be positioned so that an axis normal to a flat surface formed by the opening is vertical to a surface on which the structure is positioned (e.g., the ground, etc.).