US Trademark Classification US30 Staple foods, coffee, tea and confectionery 冻酸奶（030-88） Class 30 冻酸奶 030-88 Chinese 冻酸奶 English Frozen yogurt Spanish Yogur helado Term ID 030-88 Class 30 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997