US PATENT SUBCLASS 473 / 121
.~.~.~ With metal shell or skin

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

54  DF  BOWLING {6}
118  DF  .~ Pin {1}
119  DF  .~.~ Composite structure (e.g., distinct layers, components, joint, etc.) {3}
121.~.~.~ With metal shell or skin

DEFINITION

Classification: 473/121

With metal shell or skin:

(under subclass 119) Subject matter wherein the composite pin has a metallic covering or outer layer.