US PATENT SUBCLASS 473 / 550
.~.~.~ Dispensing, cooled, or externally ventilated

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

516  DF  PLAYER HELD AND POWERED, NONMECHANICAL PROJECTOR, PER SE, FOR PROJECTING AERIAL PROJECTILE BY STRIKING; PART THEREOF OR ACCESSORY THEREFOR {8}
524  DF  .~ Racket or paddle; accessory therefor (e.g., a tennis racket, tennis racket press, etc.) {19}
549  DF  .~.~ Handle or grip structure {3}
550.~.~.~ Dispensing, cooled, or externally ventilated

DEFINITION

Classification: 473/550

Dispensing, cooled, or externally ventilated:

(under subclass 549) Subject matter including(a) a means to deal out portions of a material from within the handle or grip to a location on the outer surface of the racket or externally of the racket, (b) a means to extract heat from the handle, grip, or air within the handle or grip, or (c) a means to provide an air flow path from the grip or handle to the exterior of the racket.