US PATENT SUBCLASS 473 / 528
.~.~.~ Projectile striking surface is flexible sheet secured to peripheral frame

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}
527  DF  .~.~ Paddle {3}
528.~.~.~ Projectile striking surface is flexible sheet secured to peripheral frame

DEFINITION

Classification: 473/528

Projectile striking surface is flexible sheet secured to peripheral frame:

(under subclass 527) Subject matter wherein the striking surface of the striking member comprises a pliable or resilient membrane or expanse of material spanning the opening defined by a generally closed perimeter wall of the surrounding peripheral supporting frame and wherein the membrane or expanse of material is secured at or in the vicinity of its edge to or adjacent the perimeter wall of the supporting frame.

(1) Note. A flexible sheet may either be solid or be woven, knitted, etc., from one or more strands of material where the adjacent strands (or runs of the same strand) touch or have a gap therebetween no greater than the width of a strand. If the gap exceeds the width of a strand, the implement is to be considered to be strung-surface racket rather than a flexible-sheet paddle.