Logo design: One triangle
; Other irregular parallelograms, trapezia and quadrilaterals, quadrilaterals containing one or more rounded corners
; Several quadrilaterals juxtaposed, joined or intersecting
; Quadrilaterals with dark surfaces or parts of surfaces
The European Union Trademark for Indigo Stone (Figurative) was filed on 27.02.2002 for goods and services in class(es) 9, 35 and 42 at the European Union Intellectual Property Office (EUIPO). The current status of the trademark No. 002595098 Indigo Stone is 'registration expired'.