US PATENT SUBCLASS 219 / 121.84
.~.~.~ With fluid supply


Current as of: June, 1999
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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}
121.84.~.~.~ With fluid supply


DEFINITION

Classification: 219/121.84

With fluid supply:

(under subclass 121.60) Subject matter including fluid supply means for cooling or cleaning the laser apparatus or

workpiece.

(1) Note. A working fluid is one which gives an exothermic reaction with the operation of the applied beam. A cooling fluid is used to cool some part (mirror, etc.) of the light beam apparatus and a cleaning fluid is used to clean a particular element of the apparatus such as the lens.

SEE OR SEARCH CLASS

372, Coherent Light Generators,

35, for liquid coolant.