US PATENT SUBCLASS 266 / 263
.~.~ Bell-type hood, or support for such hood

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

249  DF  MEANS TREATING SOLID METAL {5}
262  DF  .~ Fluid tight heat transferring box shield or hood (e.g., annealing box) {1}
263.~.~ Bell-type hood, or support for such hood {1}
264  DF  .~.~.~> Having packing at hood lip

DEFINITION

Classification: 266/263

(under subclass 262) Device including structure adapted to be lowered about the work comprising a hood closed on its top and sides and open at its bottom, or the support upon which such hood is lowered.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256, for bell-type furnace having means for contacting the workpiece within the hood with a gas.