US PATENT SUBCLASS 205 / 223
.~.~ Etching of coating

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}
220  DF  .~ Treating electrolytic or nonelectrolytic coating after it is formed {5}
223.~.~ Etching of coating

DEFINITION

Classification: 205/223

Etching of coating:

(under subclass 220) Subject matter wherein the coating is etched.

SEE OR SEARCH THIS CLASS, SUBCLASS:

221, for process in which only a restricted or selected area of the coating is etched.

SEE OR SEARCH CLASS

216, Etching a Substrate: Processes, for methods of etching glass, per se. See the SEARCH CLASS notes thereunder.