US Trademark Classification US21 Household and kitchen utensils 管家托盘（021-598） Class 21 管家托盘 021-598 Chinese 管家托盘 English Butlers' trays Spanish Bandejas de mayordomo Term ID 021-598 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 2001-07-01 Version 07-1997