US PATENT SUBCLASS 148 / 442
.~ Containing over 50 per cent metal, but no base metal

Current as of: June, 1999
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148 /   HD   METAL TREATMENT

400  DF  STOCK {20}
442.~ Containing over 50 per cent metal, but no base metal

DEFINITION

Classification: 148/442

Containing over 50 percent metal, but no base metal:

(under subclass 400) Stock material which contains over 50 percent of total metal by weight, but wherein no single metal is present in an amount of over 50 percent by weight.