AKUSTISCHE VORRICHTUNG
European patent · EP4059228 · Deleted
Register entry
- Publication number
- EP4059228
- Application number
- EP20929142
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Nov 13, 2020
- Published
- Sep 21, 2022
- Granted
- Apr 30, 2025
- Deleted
- Jun 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- H04R 11/02 (2006.01)H04R 25/02 (2006.01)H04R 1/24 (2006.01)H04R 1/10 (2006.01)H04R 1/28 (2006.01)
- Priority
- CN 202010247338 31.03.2020
- PCT application
- PCT/CN2020/128525 13.11.2020
- PCT publication
- WO2021/196626 07.10.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jun 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.06.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.06.2026
- Mar 11, 2026
Change
Published in Swissreg on 11.03.2026
- Apr 30, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 30.04.2025
Parties
Inventor
ZHANG, Lei
Shenzhen, Guangdong 518108, CN
QI, Xin
Shenzhen, Guangdong 518108, CN
FU, Junjiang
Shenzhen, Guangdong 518108, CN
WANG, Zhen
Shenzhen, Guangdong 518108, CN
WANG, Liwei
Shenzhen, Guangdong 518108, 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.