US PATENT SUBCLASS 427 / 455
.~ Metal or metal alloy coating

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

446  DF  SPRAY COATING UTILIZING FLAME OR PLASMA HEAT (E.G., FLAME SPRAYING, ETC.) {7}
455.~ Metal or metal alloy coating {1}
456  DF  .~.~> Aluminum, nickel, cobalt, or iron metal or alloy containing coating

DEFINITION

Classification: 427/455

Metal or metal alloy coating:

(under subclass 446) Processes wherein the coating material is composed of pure metal or metal alloy.

(1) Note. Metals and metal alloys containing less than one percent carbon are properly classified in this and indented subclasses.