U.S. federal trademark · Serial No. 79003802 · Reg. No. 3011612
Treatment of materials, namely roasting sulphide ores in fluidized bed, primarily according to the annular fluidized bed principle
[ Building construction services, namely, construction of industrial plants; installation of appliances relating to the construction of industrial plants ]
Engineering services involving the development of processes for the roasting of fine ores, primarily according to the annular fluidized bed principle; technical consulting in the field of process engineering; architectural design for others of industrial plants
[ Industrial ovens with fluidized beds and annular fluidized beds for roasting sulphide ores ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.