US Trademark Classification US09 Scientific and electronic apparatus 自主船舶导航系统（009-6424） Class 09 自主船舶导航系统 009-6424 Chinese 自主船舶导航系统 English Navigation systems for autonomous ships Term ID 009-6424 Class 09 Type Goods Status Active · added, not since modified (A) Effective date 2023-01-01 Version 12-2023