US PATENT SUBCLASS 428 / 58
.~ Sheets or webs coplanar

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

57  DF  SHEETS OR WEBS EDGE SPLICED OR JOINED {1}
58.~ Sheets or webs coplanar {3}
59  DF  .~.~> Double faced corrugated sheets or webs connected
60  DF  .~.~> Beveled, stepped, or skived in thickness
61  DF  .~.~> With noncoplanar reinforcement {1}

DEFINITION

Classification: 428/58

(under subclass 57) Product wherein the sheets or webs are joined together so as to lie in a single plane.