US Trademark Classification US19 Building materials 非金属风暴避难所（019-1839） Class 19 非金属风暴避难所 019-1839 Chinese 非金属风暴避难所 English Non-metallic storm shelters Term ID 019-1839 Class 19 Type Goods Status Active · added, not since modified (A) Effective date 2024-09-19 Version 12-2024