(under subclass 391) Subject matter including means whereby the oven structure in whole or in part is adapted to function both as an enclosure for material to be heated and for a diverse purpose; such as, a support for vessels; a support for a further heating device or as a working surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
283, for liquid heater combined with a nonliquid heater.
394, for plural ovens.
452.13, for an exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) having a frame, casing, or housing for a heating unit (e.g., range top, stove top, countertop, etc.) that is convertible.
472+, for heaters in general that simultaneously perform plural diverse functions.
475, for single heater in general with plural heat utilization means. SEE OR SEARCH CLASS
126, Stoves and Furnaces,
19, for convertible ovens and subclass 275 for portable ovens which may be utilized in plural manners.