What this class covers:

This class covers chemicals used in industries, laboratories, and agriculture. It includes raw materials for manufacturing products like plastics, adhesives, and detergents. You won't find finished consumer products here—just the ingredients used to make them. Items like fertilizers, fire-extinguishing compositions, and industrial gases belong in this category.

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 all kinds of vehicles, from bicycles and cars to airplanes and boats. It also covers vehicle parts, such as tires, engines, and seat belts. However, trains and hovercrafts are categorized differently. Electric motors for vehicles belong here, but general industrial motors fall under Class 7.

What this class covers:

This class includes construction materials that aren't made of metal, like bricks, glass, and lumber. It covers everything from cement to roofing shingles. Prefabricated non-metal buildings are also included. However, metal building materials belong in Class 6.

What this class covers:

This class includes furniture and home accessories like chairs, mirrors, and mattresses. It also covers plastic storage containers and picture frames. Items must be designed primarily for furnishing spaces. However, home textiles belong in Class 24.

What this class covers:

This class covers household utensils and cookware like pots, pans, and dishware. It also includes cleaning tools like mops, brooms, and sponges. Disposable kitchenware, however, might be classified elsewhere. Electric kitchen appliances belong in Class 11.