US PATENT SUBCLASS 473 / 539
.~.~ Elongated string-hole liner (e.g., grommet, bushing, etc.)

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}
539.~.~ Elongated string-hole liner (e.g., grommet, bushing, etc.)

DEFINITION

Classification: 473/539

Elongated string-hole liner (e.g., grommet, bushing, etc.):

(under subclass 524) Subject matter comprising an elongate tubular member extending, or intended to extend, into a hole which, in turn, extends into or through the peripheral supporting frame of a racket, which tubular member being for the purpose of guiding, protecting, spacing, or cushioning a string where it passes through or into the frame.