US PATENT SUBCLASS 144 / 251.2
.~ Vertical spindle

Current as of: June, 1999
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144 /   HD   WOODWORKING

251.1  DF  CUTTER GUARD {2}
251.2.~ Vertical spindle

DEFINITION

Classification: 144/251.2

Vertical spindle:

(under subclass 251.1) Cutter guards particularly adapted to prevent injury to a workman from contact with a cutter that turns about an axis that extends up and down.