Class 11: (Environmental control apparatus) Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
Class 21: (Housewares and glass) Household or kitchen utensils and containers (not of precious metal or coated therewith); combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steel wool; un-worked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes.