001 — Class 1 includes mainly chemical products used in industry, science and agriculture, including those which go to the making of products belonging to other trademark classes. Examples include compost, salt for preserving non-foodstuffs, and certain additives for the food industry.

002 — Class 2 includes mainly paints, colorants and preparations used for the protection against corrosion. Examples include paints, industrial varnishes and lacquers, dyes for clothing, food and beverage colorants.

003 — Class 3 includes mainly items designed for cleaning, deodorizing, and other sanitary products made primarily for use on or for humans.

011 — Class 11 is for lighting, heating, cooking, refrigeration, drying, ventilating, water supply, steam generating, and sanitary purposes. Examples include air conditioning, hot water bottles, bed warmers, blankets for non-medical purposes, and electric kettles.

021 — Class 21 includes mainly small, hand-operated utensils and apparatus for household and kitchen use as well as toilet utensils, glassware and articles in porcelain.

042 — Class 42 includes mainly services provided by persons, individually or collectively, in relation to the theoretical and practical aspects of complex fields of activities; such services are provided by members of professions such as chemists, physicists, engineers, computer programmers, etc.