US Trademark Classification US30 Staple foods, coffee, tea and confectionery 玉米饼壳（030-246） Class 30 玉米饼壳 030-246 Chinese 玉米饼壳 English Tortilla shells Spanish tortillas Term ID 030-246 Class 30 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997