US PATENT SUBCLASS 473 / 584
.~.~.~.~ Having interchangeable blade

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

569  DF  PROJECTILE, PER SE; PART THEREOF OR ACCESSORY THEREFOR {28}
578  DF  .~ Arrow, dart, or shuttlecock; part thereof {4}
582  DF  .~.~ Head structure {2}
583  DF  .~.~.~ Broadhead {1}
584.~.~.~.~ Having interchangeable blade

DEFINITION

Classification: 473/584

Having interchangeable blade:

(under subclass 583) Subject matter including a means for attaching the razorlike blade means to the elongated missile and wherein the blade means is removably mounted to the attaching means to enable replacement of the blade means with other identical blade means.