US PATENT SUBCLASS 473 / 544
.~.~ Nonmetallic frame having metallic reinforcement or frame composed of metal-plastic composite

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}
544.~.~ Nonmetallic frame having metallic reinforcement or frame composed of metal-plastic composite

DEFINITION

Classification: 473/544

Nonmetallic frame having metallic reinforcement or frame composed of metal-plastic composite:

(under subclass 524) Subject matter wherein the frame either (a) is made of nonmetallic material and includes a metallic element for strengthening some portion of the frame or (b) consists essentially of metallic and plastic components bonded or mechanically secured together.