US PATENT SUBCLASS 451 / 330
.~.~ Tumbling shapes

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
326  DF  .~ Tumbling device {3}
330.~.~ Tumbling shapes

DEFINITION

Classification: 451/330

Tumbling shapes:

(under subclass 326) Shapes used in connection with a tumbling machine to assist in the abrasion of the workpieces.

SEE OR SEARCH CLASS

51, Abrasive Tool Making Process, Materials, and

Compositions, for abrasive compositions.

241, Solid Material Comminution or Disintegration,

184, for similar articles used in comminution.