US PATENT SUBCLASS 451 / 538
.~.~ Strippable layer or component


Current as of: June, 1999
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451 /   HD   ABRADING

526  DF  FLEXIBLE-MEMBER TOOL, PER SE {5}
533  DF  .~ Laminate {6}
538.~.~ Strippable layer or component


DEFINITION

Classification: 451/538

Strippable layer or component:

(under subclass 533) Flexible-member tool which includes a layer or component adhered thereto by a bond, the nature of which permits relatively easy removal.

(1) Note. This subclass will receive such disclosures as a releasable protective layer covering a pressure sensitive adhesive, easily ruptured layer, or other temporarily protective layer.

(2) Note. The disclosures of this subclass are limited to a tool in which the layer or component is removable as a whole; i.e., the layer is not dissolved (washed off) or disintegrated (as by scraping). Such included disclosure may comprise preliminary softening of an adhesive by dissolution to release a layer which may then be removed bodily from the remainder.

SEE OR SEARCH CLASS

206, Special Receptacle or Package,

411, for an adhesive tape roll package from which a strip may be peeled.

427, Coating Processes,

154+, for a process of coating a substrate with a removable protective coating.

428, Stock Material or Miscellaneous Articles,

40.1+, for a plural component web or sheet in which a layer or component is removable or strippable to expose a layer of adhesive material.