US PATENT SUBCLASS 148 / 596
.~.~.~.~ Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum

Current as of: June, 1999
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148 /   HD   METAL TREATMENT

95  DF  PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL {17}
559  DF  .~ Heating or cooling of solid metal {22}
579  DF  .~.~ Iron(Fe) or iron base alloy {24}
595  DF  .~.~.~ Wire, rod, or filament {4}
596.~.~.~.~ Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum

DEFINITION

Classification: 148/596

Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum:

(under subclass 595) Process wherein a vacuum or a treating agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) specified as an element, compound, or composition other than air or water is utilized to treat the wire, rod, or filament.