US PATENT SUBCLASS 501 / 19
.~.~.~.~ Free metal as other material

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
11  DF  .~ Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions {11}
14  DF  .~.~ Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients) {4}
17  DF  .~.~.~ Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.) {3}
19.~.~.~.~ Free metal as other material

DEFINITION

Classification: 501/19

Free metal as other material:

(under subclass 17) Subject matter in which the other material is a free metal.

(1) Note. The free metal may be, e.g., in the form of copper flakes, aluminum powder, etc.

(2) Note. See the class definition of this class (501) for the general lines between this class and other composition classes relative to cermets, powder metallurgy compacts and similar materials.