US PATENT SUBCLASS 273 / 372
.~.~.~ Indicator responsive to projectile produced sonic or shock wave

Current as of: June, 1999
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273 /   HD   AMUSEMENT DEVICES: GAMES

317  DF  AERIAL PROJECTILE GAME; GAME ELEMENT (E.G., TARGET, ETC.) OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE {12}
348  DF  .~ Target {26}
371  DF  .~.~ With electrically actuated or operated indicator {4}
372.~.~.~ Indicator responsive to projectile produced sonic or shock wave

DEFINITION

Classification: 273/372

Indicator responsive to projectile produced sonic or shock wave:

(under subclass 371) Target device including either a sound wave sensitive means mounted on or near the target device or a shock wave sensitive means mounted on or near the target device, which sound wave sensitive means or shock wave sensitive means is operatively associated with the electrically actuated or operated indicating means; and wherein the indicating means is actuated either (a) by the sound waves or shock waves generated by a projectile whenever it approaches, passes in the vicinity of, or strikes the target device, or (b) by the shock waves traveling through the material of the target device as a result of a projectile impacting thereupon.