11 apparatus for industrial ventilation and parts therefor, high velocity extraction hoods and parts therefor for induction furnace operations, namely charging, melting, holding, temperature taking, pouring, slagging, sampling, and lining push out
The mark consists of the word "VORTEX" in a stylized font, wherein the letter "O" is represented by two lines in a spiral pattern about a common center. Color is not claimed as a feature of the mark.