US PATENT SUBCLASS 144 / 98
.~.~ Axially using stationary bitstock

Current as of: June, 1999
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144 /   HD   WOODWORKING

92  DF  BORING MACHINE {6}
97  DF  .~ Wheel hub {2}
98.~.~ Axially using stationary bitstock

DEFINITION

Classification: 144/98

Axially using stationary bitstock:

(under subclass 97) Machine in which the work is rotated while the bit-stock remains stationary.