US Trademark Classification US21 Household and kitchen utensils 松饼烤盘（021-585） Class 21 松饼烤盘 021-585 Chinese 松饼烤盘 English Muffin tins Spanish Moldes para muffins Term ID 021-585 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 2001-06-01 Version 07-1997