US Trademark Classification US37 Construction and repair 机动车电池充电服务（037-2446） Class 37 机动车电池充电服务 037-2446 Chinese 机动车电池充电服务 English Battery charging services for motor vehicles Term ID 037-2446 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2022-03-24 Version 11-2022