US PATENT SUBCLASS 428 / 343
.~ Adhesive outermost layer

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.~ Adhesive outermost layer {8}
344  DF  .~.~> Next to metal
345  DF  .~.~> Including irradiated or wave energy treated component
346  DF  .~.~> Heat or solvent activated or sealable {2}
351  DF  .~.~> Including moisture or waterproof component
352  DF  .~.~> With release or antistick coating
353  DF  .~.~> Including a primer layer
354  DF  .~.~> Three or more layers
355 R  DF  .~.~> Adhesive compositions {7}

DEFINITION

Classification: 428/343

(under subclass 221) Product comprising a composite* web or sheet in which an outermost layer is capable of sticking to a surface to which it may be applied or of being activated to have such capability.

(1) Note. The adhesive layer need not be applied to an extraneous surface; it could be applied to and caused to adhere to itself or to another portion of the composite* web or sheet, as in heat sealable packaging films.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40+, for a product which comprises at least two layers or components, one of which must be removed to expose an adhesive coating.

SEE OR SEARCH CLASS

442, Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, etc.), 59+, for a product comprising mechanically interengaged strands or strand portions, etc., having an adhesive coating or impregnation associated therewith.