19 Non-metal building materials, namely, tile made of stone, cement, brick and terracotta; Paving tiles; Sculptures of concrete, marble, clay, and stone
The mark consists of the word OUTERclé in stylized font, with OUTER in uppercase lettering and clé in contrasting lowercase lettering enclosed in a solid square box. Color is not claimed as a feature of the mark. The English translation of clé in the mark is key.