US PATENT SUBCLASS 106 / 681
.~.~.~ Soil, diatomaceous earth, clay, shale, slate or rock material 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}
672  DF  .~.~ Hollow, foam, cellular or porous material containing or method of forming cellular or porous product {9}
681.~.~.~ Soil, diatomaceous earth, clay, shale, slate or rock material containing or material for treating soil or earth (e.g., soil stabilization, etc.)

DEFINITION

Classification: 106/681

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

(under subclass 672) Subject matter including soil, diatomaceous earth, clay, shale, slate, or rock material or material for treating soil or earth, e.g., well treating, soil stabilization, etc.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

266, for earth treatment or control employing cement.