US PATENT SUBCLASS 44 / 321
.~ Free metal or alloy containing

Current as of: June, 1999
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44 /   HD   FUEL AND RELATED COMPOSITIONS

300  DF  LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS) {31}
321.~ Free metal or alloy containing

DEFINITION

Classification: 44/321

Free metal or alloy containing:

(under subclass 300) Compositions which contain an alloy or an elemental metal.

(1) Note. Coated metals are included within the scope of this subclass.