US PATENT SUBCLASS 473 / 81
.~.~.~.~ Including means to remove dead wood

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}
78  DF  .~.~.~ Tethered pin {2}
81.~.~.~.~ Including means to remove dead wood {1}
82  DF  .~.~.~.~.~> Pin biased away from bed

DEFINITION

Classification: 473/81

Including means to remove dead wood:

(under subclass 78) Apparatus having means to remove from the playing field a toppled target while leaving any untoppled targets in place.