US PATENT SUBCLASS 219 / 121.77
.~.~.~.~ With sing source

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}
121.76  DF  .~.~.~ Multiple beams {1}
121.77.~.~.~.~ With sing source

DEFINITION

Classification: 219/121.77

With single source:

(under subclass 121.76) Subject matter having plural beams using a beam splitter.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

618+, for beam deflection or splitting.