US Trademark Classification US21 Household and kitchen utensils 硅胶餐具垫（021-5369） Class 21 硅胶餐具垫 021-5369 Chinese 硅胶餐具垫 English Place mats of silicone Term ID 021-5369 Class 21 Type Goods Status Active · added, not since modified (A) Effective date 2026-05-21 Version 13-2026