US PATENT SUBCLASS 106 / 669
.~.~.~ Soil, diatomaceous earth, or clay, 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}
668  DF  .~.~ Bituminous material or tarry residue, pitch, or coal containing {3}
669.~.~.~ Soil, diatomaceous earth, or clay, containing, or material for treating soil or earth (e.g., soil stabilization, etc.)

DEFINITION

Classification: 106/669

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

(under subclass 668) Subject matter including soil, diatomaceous earth or clay or material for treating soil or earth, e.g., soil stabilization, well treating, etc.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

266, for earth treatment or control employing cement.