US PATENT SUBCLASS 473 / 86
.~.~.~ For alternative pin sets

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

54  DF  BOWLING {6}
64  DF  .~ Handling of pin or pin representation {9}
73  DF  .~.~ Pin setter {8}
86.~.~.~ For alternative pin sets

DEFINITION

Classification: 473/86

For alternative pin sets:

(under subclass 73) Apparatus having means for replacing a full complement of targets with another of a different type or quality.