US PATENT SUBCLASS 420 / 489
.~ Aluminum, gallium, indium, or thallium 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

469  DF  COPPER BASE {15}
489.~ Aluminum, gallium, indium, or thallium containing

DEFINITION

Classification: 420/489

Aluminum, gallium, indium or thallium containing:

(under subclass 469) Alloy, or metallic composition which additionally contains at least one of the metals aluminum, gallium, indium, or thallium.