US PATENT SUBCLASS 428 / 185
.~.~.~.~.~ With corrugations of respective components intersecting in plane projection

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  DF  .~.~ Aligned or parallel nonplanarities {3}
182  DF  .~.~.~ Parallel corrugations {2}
184  DF  .~.~.~.~ Plural corrugated components {2}
185.~.~.~.~.~ With corrugations of respective components intersecting in plane projection

DEFINITION

Classification: 428/185

(under subclass 184) Product wherein the corrugations of one component cross the corrugations of a subjacent or superjacent component at an angle.