US PATENT SUBCLASS 219 / 121.75
.~.~.~.~ With lens

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}
121.73  DF  .~.~.~ Shaping {2}
121.75.~.~.~.~ With lens

DEFINITION

Classification: 219/121.75

With lens:

(under subclass 121.73) Subject matter wherein lenses are used to focus the coherent light beam.