US PATENT SUBCLASS 473 / 259
.~.~.~.~ Closed loop

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

131  DF  GOLF {23}
219  DF  .~ Practice swingable implement or indicator associated with swingable implement {4}
257  DF  .~.~ Swingable implement swing path indicator {2}
258  DF  .~.~.~ Head or shaft continuously engaged during swing {2}
259.~.~.~.~ Closed loop

DEFINITION

Classification: 473/259

Closed loop:

(under subclass 258) Subject matter wherein the surface comprises a generally ovular or circular configuration.