US PATENT SUBCLASS 420 / 540
.~ Zinc containing


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

Internet Version by PATENTEC © 1999      Terms of Use



420 /   HD   ALLOYS OR METALLIC COMPOSITIONS

528  DF  ALUMINUM BASE {7}
540.~ Zinc containing {1}
541  DF  .~.~> Magnesium containing


DEFINITION

Classification: 420/540

Zinc containing:

(under subclass 528) Alloy, or metallic composition which additionally contains zinc.