US PATENT SUBCLASS 273 / 454
.~ Electric

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

440  DF  PHYSICAL SKILL OR ABILITY {9}
454.~ Electric {1}
455  DF  .~.~> Circuit completion

DEFINITION

Classification: 273/454

Electric:

(under subclass 440) Apparatus including electrical means intended to assist a participant in accomplishing a task, or to measure his ability in accomplishing a task.