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.

006 — Class 6 includes mainly unwrought and partly wrought common metals as well as simple products made of them.

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.

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.

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.