US PATENT SUBCLASS 473 / 349
.~.~.~ Particular material composition or mass distribution

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

131  DF  GOLF {23}
282  DF  .~ Club or club support {17}
324  DF  .~.~ Head {15}
349.~.~.~ Particular material composition or mass distribution {1}
350  DF  .~.~.~.~> Recess or cavity behind striking face

DEFINITION

Classification: 473/349

Particular material composition or mass distribution:

(under subclass 324) Subject matter wherein significance is attributed to either (1) elemental constituents of the portion or (2) material density and its dispersal throughout the portion.