US PATENT SUBCLASS 204 / 404
.~.~.~ Corrosion


Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
400  DF  .~.~ Analysis and testing {20}
404.~.~.~ Corrosion


DEFINITION

Classification: 204/404

Corrosion:

(under subclass 400) Apparatus for electrolytically testing the corrosion resistance of materials or the effect of corrosive or corrosion inhibiting materials.

SEE OR SEARCH CLASS

73, Measuring and Testing, particularly

61.2, and 104 for methods of physical determination of corrosive properties.

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

53, for apparatus for chemically investigating corrosion resistance or power.

436, Chemistry: Analytical and Immunological Testing, 6, for processes of chemically testing corrosion resistance or power.