US PATENT SUBCLASS 442 / 223
.~.~ Plural foam layers

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

181  DF  WOVEN FABRIC (I.E., WOVEN STRAND OR STRIP MATERIAL) {13}
221  DF  .~ Including a foamed layer or component {4}
223.~.~ Plural foam layers

DEFINITION

Classification: 442/223

Plural foamed layers:

(under subclass 221) Subject matter characterized by having two or more distinct foam layers.