GEHÖRSCHUTZVORRICHTUNG
European patent · EP4162702 · In force
Register entry
- Publication number
- EP4162702
- Application number
- EP21731306
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 4, 2021
- Published
- Apr 12, 2023
- Granted
- Sep 23, 2026
- Protection ends at the latest
- Jun 3, 2041
- Next annual fee due
- Jun 30, 2027
- IPC classes
- H04R 1/08 (2006.01)H04R 1/10 (2026.01)A61F 11/14 (2006.01)H04R 1/32 (2006.01)
- Priority
- US 202062705057 P 09.06.2020
- PCT application
- PCT/IB2021/054904 04.06.2021
- PCT publication
- WO2021/250518 16.12.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 23, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 23.09.2026
Parties
Inventor
KÅREKULL, Oscar L.
Saint Paul, Minnesota 55133-3427, US
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.