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.

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

004 — Class 4 includes mainly industrial oils and greases, fuels and illuminants.

007 — Class 7 includes mainly machines, machine tools, motors and engines.

009 — Class 9 consists mostly of instruments used for controlling vehicles (such as ships), scientific research, and all computer programs and software regardless of the recording media such as CD-ROMs, hard drives, downloads, etc.

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.

013 — Class 13 includes mainly firearms and pyrotechnical products.

035 — Class 35 includes mainly services rendered by persons or organizations principally with the object of: 1. help in the working or management of a commercial undertaking, or 2. help in the management of the business affairs or commercial functions of an industrial or commercial enterprise, as well as services rendered by advertising establishments primarily undertaking communications to the public, declarations or announcements by all means of diffusion and concerning all kinds of goods or services.

037 — Class 37 includes mainly services rendered by contractors or subcontractors in the construction or making of permanent buildings, as well as services rendered by persons or organizations engaged in the restoration of objects to their original condition or in their preservation without altering their physical or chemical properties.

040 — Class 40 includes mainly services not included in other classes, rendered by the mechanical or chemical processing or transformation of objects or inorganic or organic substances. For the purposes of classification, the mark is considered a service mark only in cases where processing or transformation is effected for the account of another person. A mark is considered a trade mark in all cases where the substance or object is marketed by the person who processed or transformed it.

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.