US PATENT SUBCLASS 33 / 638
.~.~.~.~ Bit with respect to workpiece or workpiece holder

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
613  DF  .~ Collocating {14}
626  DF  .~.~ Tool or surrogate {4}
628  DF  .~.~.~ Cutter or shaper {9}
638.~.~.~.~ Bit with respect to workpiece or workpiece holder

DEFINITION

Classification: 33/638

Bit with respect to workpiece or workpiece holder:

(under subclass 628) Subject matter wherein the instrument is a machine tool bit and the gauge contacts a workpiece or workpiece support having an axis, the gauge thus serving to assist in positioning the bit on the axis.

(1) Note. Subject matter of this subclass type includes levels claimed in combination with the gauge to assist in determining the axis of the workpiece or workpiece support.