US PATENT SUBCLASS 428 / 138
.~.~.~ Including nonapertured component

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

98  DF  STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.) {20}
131  DF  .~ Including aperture {3}
137  DF  .~.~ Composite web or sheet {1}
138.~.~.~ Including nonapertured component {1}
139  DF  .~.~.~.~> Keyed {1}

DEFINITION

Classification: 428/138

(under subclass 137) Product containing at least one apertured component and one imperforate component.