US Trademark Classification US21 Household and kitchen utensils 刀架（021-956） Class 21 Knife rests 021-956 刀架 Chinese 刀架 English Knife rests Spanish Reposa cuchillos Term ID 021-956 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997