US PATENT SUBCLASS 29 / 888.048
.~.~.~.~ By coating or cladding

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
888  DF  .~ Prime mover or fluid pump making {12}
888.04  DF  .~.~ Piston making {6}
888.044  DF  .~.~.~ With assembly or composite article making {4}
888.048.~.~.~.~ By coating or cladding

DEFINITION

Classification: 29/888.048

By coating or cladding:

(under subclass 888.044) Process wherein the piston is subjected to an operation wherein (1) fluent material is deposited upon or within a base material or (2) a preformed metal sheath or layer of material is attached to the surface of the base material.

(1) Note. The claimed recitation of a chemical reaction will generally bar placement of the original reference in this subclass.

SEE OR SEARCH CLASS

205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,

80+, for a process of electrolytic coating (e.g., electroplating, etc.).

427, Coating Processes, for a process of coating including perfecting steps for coating.