(under the class definition) Subject matter relating to improvements on the top plate of stoves.
SEE OR SEARCH THIS CLASS, SUBCLASS:
227, and 230, for flatiron heaters.
338, for a rotary oven, shelf or rack.
SEE OR SEARCH CLASS
219, Electric Heating,
452.11+, for an exposed planar support surface for material to be heated (e.g., hot plate, etc.) for a particular frame, casing or housing for a heating unit (e.g., range top, stove top, countertop, etc.).