US PATENT SUBCLASS 442 / 386
.~.~ Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.)

Current as of: June, 1999
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442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

327  DF  NONWOVEN FABRIC (I.E., NONWOVEN STRAND OR FIBER MATERIAL) {20}
381  DF  .~ Including an additional nonwoven fabric {8}
386.~.~ Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.)

DEFINITION

Classification: 442/386

Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.):

(under subclass 381) Subject matter wherein the nonwoven fabric has associated therewith a water-settable material (e.g., cement, gypsum, plaster, etc.) which forms a distinct layer.