US PATENT SUBCLASS 136 / 239
.~.~ Group IV element containing (C, Si, Ti, Ge, Zr, Sn, Hf, Pb)

Current as of: June, 1999
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136 /   HD   BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC

200  DF  THERMOELECTRIC {15}
236.1  DF  .~ Having particular thermoelectric composition {5}
239.~.~ Group IV element containing (C, Si, Ti, Ge, Zr, Sn, Hf, Pb)

DEFINITION

Classification: 136/239

(under subclass 236.1) Apparatus wherein the composition contains carbon, silicon, titanium, germanium, zirconium, tin, hafnium or lead.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

641, for a metallic composite in which a component has a silicon or germanium base.