US PATENT SUBCLASS 492 / 20
.~ Paper treatment


Current as of: June, 1999
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492 /   HD   ROLL OR ROLLER

16  DF  ROTATABLE RELATIVE TO SUPPORTING SHAFT {2}
20.~ Paper treatment


DEFINITION

Classification: 492/20

Paper treatment:

(under subclass 16) Roll especially adapted for working or shaping sheet material made of cellulose pulp or similar material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26, for a roll having a sheet edge holder, which roll is especially adapted for treating paper or skin.

SEE OR SEARCH CLASS

493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web, for a roll especially adapted for assembling, bending, or surface treating sheet or web material or some article previously made from sheet or web material.