What this class covers:

This class covers devices that provide light, heat, or air conditioning. It includes lamps, ovens, refrigerators, and water heaters. Products must have a functional purpose related to temperature, illumination, or sanitation. Electric cooking appliances belong here, but mechanical ones may fall into Class 7.

What this class covers:

This class includes services that modify raw materials into finished products. It covers textile dyeing, metalworking, 3D printing, and food processing. If a company produces goods for others but does not sell them, it belongs here. However, finished product retail belongs in Class 35.