US PATENT SUBCLASS 252 / 62.55
.~ Free metal or alloy containing

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

62.51 R  DF  MAGNETIC {5}
62.55.~ Free metal or alloy containing

DEFINITION

Classification: 252/62.55

(under subclass 62.51) Compositions containing a free metal or an alloy thereof.

(1) Note. Arsenic is considered to be a metal for purposes of this subclass.

(2) Note. Intermetallic compounds are considered alloys under this subclass definition, e.g., CoPt, GdOs2.