US PATENT SUBCLASS 106 / 647
.~.~.~ Soil, diatomaceous earth, clay, rock, stone, granite, flint, slate, shale, or material for treating soil or earth (e.g., soil stabilization, etc.)

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

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
645  DF  .~.~ Protein containing (e.g., glue, gelatine, albumin, blood, etc.) {5}
647.~.~.~ Soil, diatomaceous earth, clay, rock, stone, granite, flint, slate, shale, or material for treating soil or earth (e.g., soil stabilization, etc.) {1}
648  DF  .~.~.~.~> With organic material other than protein

DEFINITION

Classification: 106/647

Soil, diatomaceous earth, clay, rock, stone, granite, flint, slate, shale, or material for treating soil or earth (e.g., soil stabilization, etc.):

(under subclass 645) Subject matter including soil, diatomaceous earth, clay, rock, stone, granite, flint, slate, shale, or material for treating soil or earth, e.g., wells or roads, etc.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

266, for earth treatment or control employing cement.