US Trademark Classification US09 Scientific and electronic apparatus 电铃式报警器（009-6594） Class 09 电铃式报警器 009-6594 Chinese 电铃式报警器 English Electric alarm bells Term ID 009-6594 Class 09 Type Goods Status Active · added, not since modified (A) Effective date 2023-09-21 Version 12-2023