US Trademark Classification US30 Staple foods, coffee, tea and confectionery 调味蛋糕用精油（030-2952） Class 30 调味蛋糕用精油 030-2952 Chinese 调味蛋糕用精油 English Essential oils for flavoring cakes Term ID 030-2952 Class 30 Type Goods Status Active · added, not since modified (A) Effective date 2026-01-01 Version 13-2026