US PATENT SUBCLASS 219 / 121.26
.~.~.~.~ With focusing

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}
121.12  DF  .~.~ Using electron beam {12}
121.25  DF  .~.~.~ Shaping {2}
121.26.~.~.~.~ With focusing

DEFINITION

Classification: 219/121.26

With focusing:

(under subclass 121.25) Subject matter wherein the location of the charged particle beam is directed to a particular location by focusing (e.g., dynamic of static coil means).

SEE OR SEARCH CLASS

250, Radiant Energy,

396, for beam focusing.