41 Educational services, namely, conducting on-line classes, seminars, workshops in the field of optical training; Educational services, namely, conducting classes, seminars, workshops in the field of optical training
The mark consists of stylized letter S consisting of an upper set of three parallel, hooked lines, and a lower set identical to the upper set rotated 180 degrees. Color is not claimed as a feature of the mark.
Trademark: 98406855
