.~ Plural functions simultaneously or convertible {2}
473
.~.~ To nonheating device
DEFINITION
Classification: 219/473
(under subclass 472) Subject matter including means whereby the heating device structure may be caused to function as a nonheating device. An example of the structure to be found in this subclass is a convection heater convertible to a fan.
SEE OR SEARCH CLASS
165, Heat Exchange,
137, for convertible heating and/or cooling devices.