US PATENT SUBCLASS 428 / 354
.~.~ Three or more layers

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
343  DF  .~ Adhesive outermost layer {8}
354.~.~ Three or more layers

DEFINITION

Classification: 428/354

(under subclass 343) Product in which three or more layers are claimed either in the form of plural coatings on a substrate or a laminate of two or more layers having an adhesive layer therebetween.