US PATENT SUBCLASS 106 / 658
.~.~.~ Calcium sulfate, aluminous or oxy salt type cement

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}
657  DF  .~.~ Natural resin containing (e.g., shellac, turpentine, balsam, copal, etc.) {2}
658.~.~.~ Calcium sulfate, aluminous or oxy salt type cement

DEFINITION

Classification: 106/658

Calcium sulfate, aluminous or oxy salt type cement:

(under subclass 657) Subject matter including calcium sulfate, oxy salt type or aluminous cement.