US PATENT SUBCLASS 144 / 28.6
.~.~.~ Rotatable or revolvable

Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
28.1  DF  .~ Pencil sharpening {3}
28.3  DF  .~.~ Movable tool {4}
28.6.~.~.~ Rotatable or revolvable {3}
28.7  DF  .~.~.~.~> Planetary {1}
28.72  DF  .~.~.~.~> Including orbital or electric motor drive
28.8  DF  .~.~.~.~> Work holder or guide also rotary

DEFINITION

Classification: 144/28.6

Rotatable or revolvable:

(under subclass 28.3) Machine wherein the movement of the tool is through an arc of at least 360 degrees about an axis extending therethrough or spaced therefrom.