US PATENT SUBCLASS 73 / 862.43
.~.~.~.~ Racket stringing

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

862  DF  DYNAMOMETERS {5}
862.381  DF  .~ Responsive to force {13}
862.391  DF  .~.~ To determine tension on a flexible element {4}
862.42  DF  .~.~.~ By applying a measured tensioning force {2}
862.43.~.~.~.~ Racket stringing

DEFINITION

Classification: 73/862.43

Racket stringing:

(under subclass 862.42) Subject matter used for tensioning the strings of sporting rackets.

SEE OR SEARCH CLASS

473, Games Using Tangible Projectile,

534, for a tennis racket having adjustable string-tensioning means and subclasses 556 and 557 for an accessory device used for stringing a tennis racket or for an accessory device for stretching the strings of a tennis racket.