LASERMIKROFON UND ENDGERÄT
European patent · EP4199540 · In force
Register entry
- Publication number
- EP4199540
- Application number
- EP21863652
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Sep 2, 2021
- Published
- Jun 21, 2023
- Granted
- Dec 31, 2025
- Protection ends at the latest
- Sep 1, 2041
- Next annual fee due
- Sep 30, 2026
- IPC classes
- H04R 23/00 (2006.01)G01H 9/00 (2006.01)H04M 1/03 (2006.01)H04R 3/00 (2006.01)
- Priority
- CN 202010924113 04.09.2020
- PCT application
- PCT/CN2021/116172 02.09.2021
- PCT publication
- WO2022/048588 10.03.2022
- Filing language
- Chinese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Dec 31, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 31.12.2025
Parties
Inventor
HOU, Xiaoke
Shenzhen, Guangdong 518129, CN
ZHANG, Shixiong
Shenzhen, Guangdong 518129, CN
RUAN, Shengjie
Shenzhen, Guangdong 518129, 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.