US PATENT SUBCLASS 442 / 370
.~ Including a foamed layer or component

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}
370.~ Including a foamed layer or component {4}
371  DF  .~.~> Including a free metal or alloy constituent
372  DF  .~.~> Plural foamed layers
373  DF  .~.~> Plural fabric layers
374  DF  .~.~> Nonwoven fabric is coated, impregnated, or autogenously bonded {1}

DEFINITION

Classification: 442/370

Including a foamed layer or component:

(under subclass 327) Subject matter including a component or layer specified as being a foam (i.e., a material characterized by a multitude of open or closed cells).