US PATENT SUBCLASS 205 / 717
.~.~.~ Entire identifiable elemental layer or portion removed (e.g., stripping, etc.)

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

687  DF  ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8}
704  DF  .~ Metal or metal alloy {3}
705  DF  .~.~ Removing foreign material (e.g., cleaning, etc.) {7}
717.~.~.~ Entire identifiable elemental layer or portion removed (e.g., stripping, etc.) {4}
718  DF  .~.~.~.~> Precious metal removed
719  DF  .~.~.~.~> Tin removed
720  DF  .~.~.~.~> Nickel removed
721  DF  .~.~.~.~> Copper removed

DEFINITION

Classification: 205/717

Entire identifiable elemental layer or portion removed (e.g., stripping, etc.):

(under subclass 705) Subject matter in which the foreign material removed comprises an entire layer or portion thereof existing in elemental form (e.g., metal, metal alloy, metal carbide, metal nitride, etc.) on a base containing the metal or metal alloy, and is identifiable therefrom with a naked eye (e.g., electrolytic stripping, etc.).

(1) Note. A body or workpiece of the metal or metal alloy may consist of metal alone, contain free metal as part of its composition, or consist of a coating or lamination thereon containing free metal.

(2) Note. This subclass and the subclasses indented hereunder include mere electrolytic stripping or removal of elemental material into solution or suspension where there is no deposition of a desired material (but may include the deposition of an undesired precipitate). Electrolytic stripping, together with electrolytic deposition of a desired material, is classified in the above appropriate subclasses.

(3) Note. The removal of an entire surface layer or a portion thereof provided for in this subclass and the subclasses indented hereunder does not include that which is intended to change the shape or surface configuration of a workpiece which is specifically provided for in the electrolytic erosion subclasses (640+) above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

363+, 367+, 477+, 557+, and 560+, for electrolytic synthesis in which a metal, metal alloy, or metal compound is produced.