US PATENT SUBCLASS 106 / 619
.~.~.~.~ Wood, paper, or paper pulp

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
600  DF  .~ Alkali metal silicate containing {23}
617  DF  .~.~ Carbohydrate containing {1}
618  DF  .~.~.~ Cellulose {1}
619.~.~.~.~ Wood, paper, or paper pulp

DEFINITION

Classification: 106/619

Wood, paper, or paper pulp:

(under subclass 618) Subject matter employing wood, paper or paper pulp.