KOPFHÖRER
European patent · EP4258687 · In force
Register entry
- Publication number
- EP4258687
- Application number
- EP22888606
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Dec 8, 2022
- Published
- Oct 11, 2023
- Granted
- Jan 28, 2026
- Protection ends at the latest
- Dec 7, 2042
- Next annual fee due
- Dec 31, 2026
- IPC classes
- H04R 1/10 (2026.01)H04R 9/02 (2006.01)H04R 17/00 (2006.01)
- Priority
- CN 202210191140 28.02.2022
- PCT application
- PCT/CN2022/137672 08.12.2022
- PCT publication
- WO2023/160114 31.08.2023
- Filing language
- Chinese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jan 28, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 28.01.2026
Parties
Inventor
Wang, Chuango
Shenzhen, Guangdong 518040, CN
Yeh, Chienfeng
Shenzhen, Guangdong 518040, CN
Li, Yunhai
Shenzhen, Guangdong 518040, CN
Zhang, Haihong
Shenzhen, Guangdong 518040, CN
Zhang, Yonghua
Shenzhen, Guangdong 518040, CN
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.