US PATENT SUBCLASS 473 / 493
.~.~.~ With net-tightening means

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

415  DF  PLAYING FIELD OR COURT GAME; GAME ELEMENT OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE {14}
490  DF  .~ Means for dividing field or court into compartments; element thereof or accessory therefor (e.g., a net, marking strip, marked line, etc.) {3}
492  DF  .~.~ Net post {1}
493.~.~.~ With net-tightening means

DEFINITION

Classification: 473/493

With net-tightening means:

(under subclass 492) Subject matter including a mechanical apparatus for applying a longitudinal tensioning force directly to a net or to a cable, wire, rope, or like element to which a net is attached.

(1) Note. A user graspable element (e.g., a handle, etc.) attached to a net, cable, etc. for improving the user's grip on the net, cable, etc. while he or she is applying a manual pulling force on the net, cable, etc., is not considered to be a mechanical apparatus unless it also provides some mechanical advantage or force-multiplying effect (e.g., a lever, etc.).

(2) Note. A longitudinal tensioning force is a force generally parallel to the surface of the playing field or

court on or over which the net is mounted.