US PATENT SUBCLASS 44 / 590
.~.~ Wood, sawdust or paper

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

550  DF  CONSOLIDATED SOLIDS (E.G., BRIQUETTE, ETC.) {5}
589  DF  .~ Vegetation or refuse {1}
590.~.~ Wood, sawdust or paper

DEFINITION

Classification: 44/590

Wood, sawdust or paper:

(under subclass 589) Subject matter in which the vegetation or refuse is a solid derived from the trunk or branches of trees or bushes, or from manufactured cellulosic sheet materials.