US PATENT SUBCLASS 473 / 290
.~.~.~ Particular correlated head characteristic

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}
287  DF  .~.~ Club set {3}
290.~.~.~ Particular correlated head characteristic {1}
291  DF  .~.~.~.~> Mass distribution

DEFINITION

Classification: 473/290

Particular correlated head characteristic:

(under subclass 287) Subject matter wherein said two instruments or two elements thereof comprise two ball-striking portions, and wherein significance is attributed to a relationship between the portions.