US PATENT SUBCLASS 428 / 179
.~.~ Aligned or parallel nonplanarities

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}
174  DF  .~ Nonplanar uniform thickness material {5}
179.~.~ Aligned or parallel nonplanarities {3}
180  DF  .~.~.~> Waffle-form
181  DF  .~.~.~> Pleats or otherwise parallel adjacent folds
182  DF  .~.~.~> Parallel corrugations {2}

DEFINITION

Classification: 428/179

(under subclass 174) Product wherein there is a plurality of discrete deviations of the nonthickness surfaces* of the web, sheet or component from the parallel plane condition in a repetitive pattern and said deviations are arranged in one or more rows or are elongated and extend generally in the same direction.