US PATENT SUBCLASS 162 / 222
.~.~.~ Surface treatment


Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

100  DF  PROCESSES AND PRODUCTS {31}
218  DF  .~ Article forming processes (pulp molding) {7}
221  DF  .~.~ Treatment subsequent to removal from forming mold {3}
222.~.~.~ Surface treatment


DEFINITION

Classification: 162/222

(under subclass 221) Processes including a step of altering the surface character of at least a portion of the article.

(1) Note. The surface treatment of this subclass is to be distinguished from the subject matter of subclass 223, which involves a substantial change in the overall configuration of the article. Such treatments as smoothing and elimination of mold parting lines and other mold configurations are among the surface treatments provided for in this subclass (222).