US PATENT SUBCLASS 420 / 7
.~ Aluminum base

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

1  DF  RADIOACTIVE {5}
7.~ Aluminum base

DEFINITION

Classification: 420/7

Aluminum base:

(under subclass 1) Alloy or metallic composition which contains over 50 percent aluminum.