US PATENT SUBCLASS 473 / 223
.~.~.~ Integral with or attachable to swingable implement

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

131  DF  GOLF {23}
219  DF  .~ Practice swingable implement or indicator associated with swingable implement {4}
221  DF  .~.~ With electrical sensor or electrical indicator {3}
223.~.~.~ Integral with or attachable to swingable implement {1}
224  DF  .~.~.~.~> Audible indicator

DEFINITION

Classification: 473/223

Integral with or attachable to swingable implement:

(under subclass 221) Subject matter wherein the device is secured to or forms part of the first or second swingable implement.