US PATENT SUBCLASS 420 / 44
.~.~.~ Over 2 percent manganese 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

8  DF  FERROUS (I.E., IRON BASE) {24}
34  DF  .~ Nine percent or more chromium containing {14}
43  DF  .~.~ Eight percent or more nickel containing {6}
44.~.~.~ Over 2 percent manganese containing {3}
45  DF  .~.~.~.~> Copper containing
46  DF  .~.~.~.~> Molybdenum or tungsten containing {1}
48  DF  .~.~.~.~> Group IV or V transition metal containing


DEFINITION

Classification: 420/44

Over 2 percent manganese containing:

(under subclass 43) Alloy or metallic composition which additionally contains more than 2 percent of manganese.