US PATENT SUBCLASS 219 / 121.63
.~.~.~ Welding


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.6  DF  .~.~ Using laser {12}
121.63.~.~.~ Welding {1}
121.64  DF  .~.~.~.~> Methods


DEFINITION

Classification: 219/121.63

Welding:

(under subclass 121.60) Subject matter wherein a coherent light beam is used to cause two workpieces to unite by heating.