US PATENT SUBCLASS 44 / 606
.~ Wood, sawdust or paper

Current as of: June, 1999
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44 /   HD   FUEL AND RELATED COMPOSITIONS

605  DF  FROM VEGETATION OR REFUSE {1}
606.~ Wood, sawdust or paper

DEFINITION

Classification: 44/606

Wood, sawdust or paper:

(under subclass 604) Subject matter in which the vegetation or refuse is a solid derived from the trunk or branches of trees for bushes, or from manufactured cellulosic sheet materials.