US PATENT SUBCLASS 420 / 569
.~.~.~ Antimony 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}
567  DF  .~ Arsenic containing {1}
568  DF  .~.~ Tin containing {1}
569.~.~.~ Antimony containing

DEFINITION

Classification: 420/569

Antimony containing:

(under subclass 568) Alloy, or metallic composition which additionally contains antimony.