US PATENT SUBCLASS 442 / 368
.~.~ Parallel strand or fiber material is inorganic (e.g., rock wool, mineral wool, 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}
366  DF  .~ Including parallel strand or fiber material within the nonwoven fabric {3}
368.~.~ Parallel strand or fiber material is inorganic (e.g., rock wool, mineral wool, etc.)

DEFINITION

Classification: 442/368

Parallel strand or fiber material is inorganic (e.g., rock wool, mineral wool, etc.):

(under subclass 366) Subject matter wherein the parallel strand or fiber material within the nonwoven fabric is inorganic material.