US PATENT SUBCLASS 451 / 456
.~.~ Suction

Current as of: June, 1999
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451 /   HD   ABRADING

442  DF  ACCESSORY {10}
451  DF  .~ Guard or housing {6}
456.~.~ Suction

DEFINITION

Classification: 451/456

Suction:

(under subclass 451) Guard or housing having air exhausting means for drawing off dust developed in the abrading operation.

SEE OR SEARCH CLASS

144, Woodworking,

252.1, for a cutter hood or dust conveyor for a woodworking machine.