US PATENT SUBCLASS 428 / 167
.~.~ Parallel ribs and/or grooves

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.~.~ Parallel ribs and/or grooves {2}
168  DF  .~.~.~> With particulate matter
169  DF  .~.~.~> Oblique to longitudinal axis of web or sheet

DEFINITION

Classification: 428/167

(under subclass 156) Product in which the variation in thickness occurs in the form of parallel ridges and/or furrows of substantial length and width extending along or across the product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for a striated surface which exhibits in irridescent effect.

163, for a similar product having a component of nonplanar surface with a nonplanar and a second component is in continuous interfacial contact with said surface and in which there are also ridges or furrows extending along or across the component.