glass cups belong to the 21st class of registered trademarks. Drinking glasses 21319, 212 glass bowls, glasses (containers), colored glassware, daily glassware (including cups, plates, pots and jars).

2113 unprocessed or semi-processed glass (excluding building glass) crystal (glass products) 2198, decorative glass powder 21114, colored glass 21119, glass plate (raw material) 21143, unprocessed or semi-processed glass (excluding building glass) 21149, non-insulating glass wool 21152. Milky white glass 21167, synthetic sensitive conductive glass 21229, window glass (semi-finished product) 21231, non-woven silica glass fiber 21283, non-insulated non-woven glass fiber 21284, non-woven glass fiber thread 21286, fused masonry for non-construction (semi-processed product) 2138, fused silicon carbide for non-construction (semi-finished product).