US PATENT SUBCLASS 428 / 169
.~.~.~ Oblique to longitudinal axis of web or sheet

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}
156  DF  .~ Including variation in thickness {7}
167  DF  .~.~ Parallel ribs and/or grooves {2}
169.~.~.~ Oblique to longitudinal axis of web or sheet

DEFINITION

Classification: 428/169

(under subclass 167) Product in which the ridges and/or furrows lie at an acute angle to the longitudinal axis of the web or sheet.