US Trademark Classification US21 Household and kitchen utensils 压花玻璃（021-56） Class 21 压花玻璃 021-56 Chinese 压花玻璃 English Stamped glass Spanish Vidrio estampado Term ID 021-56 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997