US PATENT SUBCLASS 428 / 164
.~.~.~ Containing metal or metal compound

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}
161  DF  .~.~ With component conforming to contour of nonplanar surface {4}
164.~.~.~ Containing metal or metal compound

DEFINITION

Classification: 428/164

(under subclass 161) Product in which one of the components comprises a free metal or a compound thereof.

(1) Note. Excluded from this subclass are glass*, asbestos, porcelain*, ceramic*, etc., which, though containing a metal are not ordinarily included therewith.