US PATENT SUBCLASS 148 / 524
.~.~ With metal fusion bonding step utilizing electron arc or beam

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}
516  DF  .~ Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product {9}
524.~.~ With metal fusion bonding step utilizing electron arc or beam

DEFINITION

Classification: 148/524

With metal fusion bonding step utilizing electron arc or beam:

(under subclass 516) Process which utilizes an electron arc or beam for fusion bonding metal to metal.

SEE OR SEARCH CLASS

219, Electric Heating, appropriate subclasses for processes of metal fusion bonding which use an electron arc or beam, per se, without a separate significant heating step as defined in the notes of

95, of Class 148.