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.

041 — Class 41 covers mainly services rendered by persons or institutions in the development of the mental faculties of persons or animals, as well as services intended to entertain or to engage the attention.

043 — Class 43 includes mainly services provided by persons or establishments whose aim is to prepare food and drink for consumption and services provided to obtain bed and board in hotels, boarding houses or other establishments providing temporary accommodation.

044 — Class 44 includes mainly medical care, hygienic and beauty care given by persons or establishments to human beings and animals; it also includes services relating to the fields of agriculture, horticulture and forestry.