New structure for signs, letters, figures and other reasons for the composition of letters. (Machine-translation by Google Translate, not legally binding)

摘要

New structure for signs, letters, figures; and other reasons for the composition of signs, which are characterized by being composed of thick billets of expanded plastic material, conveniently cut out, and the face of which is constituted by a thin rigid plate, of any suitable material, such as plastic, metal or wood, with the same contour of the billet, and whose expanded material may or may not be covered with coloring or waterproofing paints. Y (Machine-translation by Google Translate, not legally binding)