US PATENT SUBCLASS 44 / 570
.~.~.~ With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.)

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}
569  DF  .~.~ With bitumen or asphaltic material {2}
570.~.~.~ With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.)

DEFINITION

Classification: 44/570

With elemental metal, metal oxide, limestone or inorganic metal salt (e.g., lime, etc.):

(under subclass 569) Subject matter where the consolidated solid fuel composition also contains elemental metal, metal oxide, limestone, or inorganic metal salt.

(1) Note. The metal, metal oxide, limestone, or inorganic metal salt normally, but not necessarily, serves a binding function.