US PATENT SUBCLASS 428 / 70
.~ Encased layer derived from inorganic settable ingredient


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

68  DF  SHEET INCLUDING COVER OR CASING {6}
70.~ Encased layer derived from inorganic settable ingredient


DEFINITION

Classification: 428/70

(under subclass 68) Product wherein an enclosed sheet comprises inorganic material which has been set to a solid product by hydration.

(1) Note. Examples of settable inorganic materials are portland cement, gypsum, plaster of paris, etc.

SEE OR SEARCH CLASS

106, Composition: Coating or Plastic,

638+, for compositions containing ingredients which set up or solidify by hydration.