US PATENT SUBCLASS 75 / 249
.~.~ Base metal one or more of Beryllium(Be), Magnesium(Mg), or Aluminum(Al)

Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

300  DF  COMPOSITIONS {5}
228  DF  .~ Consolidated metal powder compositions {4}
249.~.~ Base metal one or more of Beryllium(Be), Magnesium(Mg), or Aluminum(Al) {1}
250  DF  .~.~.~> Base metal is Beryllium(Be) only

DEFINITION

Classification: 75/249

Base metal one or more of Beryllium (Be), Magnesium (Mg), or Aluminum (Al):

(under subclass 228) Composition in which half or more of the composition, by weight, comprises one or more of aluminum, beryllium, and magnesium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

228, for a consolidated metal powder composition having, as base metal, (1) a nontransition metal other than Al, Be or Mg, (2) Al, Be or Mg only in admixture with another metal, or (3) Al, Be or Mg as an alternative to another metal.

SEE OR SEARCH CLASS

420, Alloys or Metallic Compositions, for the following alloys made by melting (fusion) techniques;

401, for a beryllium base alloy; subclasses 402+ for a magnesium base alloy; and subclass 528 for an aluminum base alloy.