US PATENT SUBCLASS 205 / 217
.~.~.~ Predominantly iron or steel substrate

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

80  DF  ELECTROLYTIC COATING (PROCESS, COMPOSITION AND METHOD OF PREPARING COMPOSITION) {42}
205  DF  .~ Treating substrate prior to coating {3}
210  DF  .~.~ Treating substrate with liquid other than tap water (e.g., for removing foreign material, etching, activating, etc.) {7}
217.~.~.~ Predominantly iron or steel substrate {1}
218  DF  .~.~.~.~> Steel containing chromium or nickel (e.g., stainless steel, etc.)

DEFINITION

Classification: 205/217

Predominantly iron or steel substrate:

(under subclass 210) Subject matter wherein elemental iron is the major or predominant constituent of the substrate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

712+, for electrolytic removal of nonelemental foreign material from a ferrous metal (e.g., cleaning a ferrous metal, etc.), per se.