US PATENT SUBCLASS 432 / 52
.~ Of handling or treatment of discrete work batch or unit

Current as of: June, 1999
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432 /   HD   HEATING

51  DF  HAVING TIMING, PROGRAMMING OR CYCLING CONTROL MEANS {1}
52.~ Of handling or treatment of discrete work batch or unit {1}
53  DF  .~.~> And of furnace closure or heating element operator

DEFINITION

Classification: 432/52

(under subclass 51) Apparatus in which the means controls heating or manipulative operations on discrete work article or on a body of charge material handled as a unit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44, for a condition responsive control discharging, or stopping the heating of, a unit or batch and including a cool-down timer or means.