US PATENT SUBCLASS 428 / 89
.~.~ Differential pile length or surface

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

85  DF  PILE OR NAP TYPE SURFACE OR COMPONENT {9}
88  DF  .~ Edge feature or configured or discontinuous surface {1}
89.~.~ Differential pile length or surface

DEFINITION

Classification: 428/89

(under subclass 88) Product in which (1) the height of the filamentary material from the surface of the web or sheet or layer is different in spaced areas or (2) the filamentary material differs in physical property (e.g., coarseness, proximity of filaments to each other, etc.) in different areas of the web, sheet or layer.