.~ Plural functions simultaneously or convertible {2}
474
.~.~ To diverse-type electric heating device
DEFINITION
Classification: 219/474
(under subclass 472) Subject matter including means whereby the heating device may be converted to or caused to function as a diverse type electrical heating device. One example of the structure classifiable here is a heating device which functions in one mode as a hot plate type heater and alternately as a convection heater.
SEE OR SEARCH THIS CLASS, SUBCLASS:
279, for an electric heater combined with a nonelectric heater.
