US PATENT SUBCLASS 420 / 104
.~ Chromium containing, but less than 9 percent

Current as of: June, 1999
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420 /   HD   ALLOYS OR METALLIC COMPOSITIONS

8  DF  FERROUS (I.E., IRON BASE) {24}
104.~ Chromium containing, but less than 9 percent {4}
105  DF  .~.~> Molybdenum containing {5}
112  DF  .~.~> Nickel containing {1}
114  DF  .~.~> Tungsten containing
115  DF  .~.~> Processes {1}

DEFINITION

Classification: 420/104

Chromium containing, but less than 9 percent:

(under subclass 8) Alloy or metallic composition which additionally contains chromium.

(1) Note. Due to schedule superiority, alloys containing 9 percent or more chromium are classified above in subclasses 34+. Patents classified in subclasses 34+ above are not cross-referenced to this or indented subclasses unless there is a positive disclosure of an alloy containing less than 9 percent chromium.