US PATENT SUBCLASS 117 / 900
APPARATUS CHARACTERIZED BY COMPOSITION OR TREATMENT THEREOF (E.G., SURFACE FINISH, SURFACE COATING)


Current as of: June, 1999
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117 /   HD   SINGLE-CRYSTAL, ORIENTED-CRYSTAL, AND EPITAXY GROWTH PROCESSES; NON-COATING APPARATUS THEREFOR

900APPARATUS CHARACTERIZED BY COMPOSITION OR TREATMENT THEREOF (E.G., SURFACE FINISH, SURFACE COATING)


DEFINITION

Classification: 117/900

APPARATUS CHARACTERIZED BY COMPOSITION OR TREATMENT THEREOF (E.G., SURFACE FINISH, SURFACE COATING):

(under the class definition) A collection of art in which an apparatus is specified in terms of its material of construction or in terms of a treatment of it.

SEE OR SEARCH CLASS

118, Coating Apparatus, for apparatus for forming coatings of single-crystal* products.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

240+, for chemical reaction of a specific material of construction (and not provided for in subclasses 129+).