US PATENT SUBCLASS 106 / 709
.~.~.~ Portland type cement
Current as of:
June, 1999
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106 /
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COMPOSITIONS: COATING OR PLASTIC
*
DD
COATING OR PLASTIC COMPOSITIONS
{40}
638
DF
.~ Inorganic settable ingredient containing {30}
705
DF
.~.~ Ash containing (e.g., fly ash, volcanic ash, coal ash, etc.) {5}
709
.~.~.~ Portland type cement
DEFINITION
Classification: 106/709
Portland type cement:
(under subclass 705) Subject matter including portland type cement.
