US PATENT SUBCLASS 432 / 132
.~.~.~.~ Heated shelf or trough

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
121  DF  .~ Having means by which work is progressed or moved mechanically {9}
128  DF  .~.~ Plural distinct chambers {2}
129  DF  .~.~.~ Work moved to drop between shelf or trough-type chambers {2}
132.~.~.~.~ Heated shelf or trough

DEFINITION

Classification: 432/132

(under subclass 129) Apparatus in which a shelf or trough transfers heat to the work indirectly by conduction from heat supplied to the shelf or trough.