US Trademark Classification US21 Household and kitchen utensils 家用膝上托盘（021-4885） Class 21 家用膝上托盘 021-4885 Chinese 家用膝上托盘 English Lap trays for domestic purposes Term ID 021-4885 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 2022-10-20 Version 11-2022