US PATENT SUBCLASS 432 / 254.1
.~ Fluid tight metallic heat transferring box, shield or hood


Current as of: June, 1999
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432 /   HD   HEATING

253  DF  ACCESSORY MEANS FOR HOLDING, SHIELDING OR SUPPORTING WORK WITHIN FURNACE {5}
254.1.~ Fluid tight metallic heat transferring box, shield or hood {1}
254.2  DF  .~.~> Bell-type hood or support for such hood


DEFINITION

Classification: 432/254.1

(under subclass 253) Apparatus comprising a removable enclosing receptacle or hood specially adapted for holding articles being heated, shielding them from the atmosphere, and equalizing the application of heat to the articles.

SEE OR SEARCH CLASS

266, Metallurgical Apparatus,

262+, for heat transferring boxes, shields or hoods which are solely disclosed for use in the heat treatment of metal objects, e.g., annealing boxes, carbonizing boxes will likewise be found therein.