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European patent · EP4084498 · In force

Register entry

Publication number
EP4084498
Application number
EP20907169
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Apr 1, 2020
Published
Nov 2, 2022
Granted
Oct 8, 2025
Protection ends at the latest
Mar 31, 2040
Next annual fee due
Apr 30, 2026
IPC classes
H04R 19/00 (2006.01)
H04R 3/00 (2006.01)
Priority
CN 201922402214 U 27.12.2019
PCT application
PCT/CN2020/082659 01.04.2020
PCT publication
WO2021/128638 01.07.2021
Filing language
Chinese
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Aug 19, 2026

    Change

    Published in Swissreg on 19.08.2026

  2. Oct 8, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 08.10.2025

Parties

Inventor

QIU, Guanxun

Weifang, Shandong 261031, CN

WU, Ansheng

Weifang, Shandong 261031, CN

LIU, Bo

Weifang, Shandong 261031, 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.