(under subclass 200) Subject matter under Class 219, ... wherein the heating device includes means for blowing air through a passage in which an electrical resistance heating element is mounted for producing an intensified or a jet-like flow of heated air.
SEE OR SEARCH THIS CLASS, SUBCLASS:
360, for forced air type.
473, for fluid heater carried on discharge member.
478, for fluid conveying tube or pipe comprising resistance heating element.
479, for externally heated line connected section.
SEE OR SEARCH CLASS
4, Baths, Closets, Sinks, and Spittoons, 535+, for means for applying hot air directly to body of user.
5, Beds,
423, for means to force air.
34, Drying and Gas or Vapor Contact With Solids,
94+, for hair on head and subclasses 241+ for gas or vapor distributing and applying agitators.
132, Toilets,
112+, for orifice for applying fluent material and subclasses for heater, fluid supply, or surrounding fluid housing.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
497, for gas, vapor or flame contact means for work.
165, Heat Exchange,
120+, for impeller or conveyor moving exchange material.
