RAUSCHUNTERDRÜCKENDER KOPFHÖRER
European patent · EP4131996 · Deleted
Register entry
- Publication number
- EP4131996
- Application number
- EP20929345
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Dec 1, 2020
- Published
- Feb 8, 2023
- Granted
- Sep 17, 2025
- Deleted
- Jul 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- G10K 11/178 (2006.01)H04R 1/10 (2006.01)
- Priority
- JP 2020067948 03.04.2020
- PCT application
- PCT/JP2020/044725 01.12.2020
- PCT publication
- WO2021/199498 07.10.2021
- Filing language
- Japanese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 29, 2026
Change
Published in Swissreg on 29.07.2026
- Jul 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.07.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.07.2026
- Sep 17, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 17.09.2025
Parties
Inventor
TAMAMURA Akihito
Machida-shi Tokyo 194-8666, JP
MATSUI Hideki
Machida-shi Tokyo 194-8666, JP
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.