US Trademark Classification US21 Household and kitchen utensils 葡萄酒桶（021-30） Class 21 葡萄酒桶 021-30 Chinese 葡萄酒桶 English Wine buckets Spanish Cubos de vino Term ID 021-30 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997