US Trademark Classification US04 Industrial oils, greases and fuels Montan wax Class 04 Montan wax 004-94 褐煤蜡 Chinese 褐煤蜡 English Montan wax Spanish Cera de Montana Term ID 004-94 Class 04 Type Goods Status Active · added, not since modified (A) Effective date 2004-06-01 Version 08-2002