US PATENT SUBCLASS 420 / 570
.~ Tin 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

563  DF  LEAD BASE {8}
570.~ Tin containing {1}
571  DF  .~.~> Antimony containing


DEFINITION

Classification: 420/570

Tin containing:

(under subclass 563) Alloy, or metallic composition which additionally contains tin.