US PATENT SUBCLASS 44 / 564
.~.~ Tar, pitch, or tar oil

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

550  DF  CONSOLIDATED SOLIDS (E.G., BRIQUETTE, ETC.) {5}
551  DF  .~ Containing specified binder {15}
564.~.~ Tar, pitch, or tar oil {4}
565  DF  .~.~.~> With nonfibrous carbohydrate (e.g., molasses, starch, etc.)
566  DF  .~.~.~> With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.)
567  DF  .~.~.~> With fibrous vegetable material (e.g., cellulose, wood, paper, sawdust, etc.)
568  DF  .~.~.~> Solid fuel, or solid fuel and water, are the only other components of the composition

DEFINITION

Classification: 44/564

Tar, pitch, or tar oil:

(under subclass 551) Subject matter wherein tar, pitch, or tar oil is a component in a consolidated solid fuel composition.

(1) Note. The tar, pitch, or tar oil normally, but not necessarily, serves a binding function.

(2) Note. Tar, pitch, or tar oil must be identified as such in order to be classified herein; tar, pitch, and tar oil from any source are classified herein.