US Trademark Classification US29 Meat, fish, dairy and preserved foods 酪乳（029-827） Class 29 酪乳 029-827 Chinese 酪乳 English Buttermilk Spanish Suero de la leche Term ID 029-827 Class 29 Type Goods Status Active · added, not since modified (A) Effective date 2010-01-21 Version 09-2007