US Trademark Classification US45 Legal, security and personal services 灭火系统监控（045-2965） Class 45 灭火系统监控 045-2965 Chinese 灭火系统监控 English Monitoring fire suppression systems Term ID 045-2965 Class 45 Type Services Status Active · added, not since modified (A) Effective date 2023-06-01 Version 12-2023