US Trademark Classification US29 Meat, fish, dairy and preserved foods 猪小肠（029-944） Class 29 猪小肠 029-944 Chinese 猪小肠 English Chitterlings Spanish Menudos de cerdo Term ID 029-944 Class 29 Type Goods Status Active · added, not since modified (A) Effective date 2010-12-02 Version 09-2007