US PATENT SUBCLASS 106 / 811
.~.~ Soil, diatomaceous earth, clay, slate or shale containing, 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}
811.~.~ Soil, diatomaceous earth, clay, slate or shale containing, or material for treating soil or earth (e.g., soil stabilization, etc.) {1}
812  DF  .~.~.~> With added silica (e.g., sand, etc.)

DEFINITION

Classification: 106/811

Soil, diatomaceous earth, clay, slate or shale containing, or material for treating soil or earth (e.g., soil stabilization:

(under subclass 638) Subject matter employing soil, diatomaceous earth, clay, slate, or shale or material for treating soil or earth.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

266, for earth treatment or control employing cement.