US Trademark Classification US37 Construction and repair 玻璃安装服务（037-2472） Class 37 玻璃安装服务 037-2472 Chinese 玻璃安装服务 English Glass installation services Term ID 037-2472 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2022-03-24 Version 11-2022