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European patent · EP4083286 · In force

Register entry

Publication number
EP4083286
Application number
EP20913491
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Dec 30, 2020
Published
Nov 2, 2022
Granted
Feb 12, 2025
Protection ends at the latest
Dec 29, 2040
Next annual fee due
Dec 31, 2026
IPC classes
D04B 35/04 (2006.01)
Priority
CN 202010035779 14.01.2020
CN 202010068906 21.01.2020
CN 202010794757 10.08.2020
CN 202011314294 20.11.2020
PCT application
PCT/CN2020/141550 30.12.2020
PCT publication
WO2021/143532 22.07.2021
Filing language
Chinese
Source
Swissreg

History

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

  1. Jan 1, 2026

    Change

    Published in Swissreg on 01.01.2026

  2. Nov 19, 2025

    Change

    Published in Swissreg on 19.11.2025

  3. May 9, 2025

    Agent entered

    Representative
    VALIPAT, c/o BOVARD LTD, Optingenstrasse 16, 3013 Bern

    Published in Swissreg on 09.05.2025

  4. Feb 12, 2025

    Granted

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

    Published in Swissreg on 12.02.2025

Parties

Holder

Feng, Jialin

Jiangsu 210018, CN

Feng, Tianyuan

Jiangsu 210018, CN

Wu, Youqun

Nanjing, Jiangsu 210018, CN

Agent

VALIPAT c/o BOVARD LTD

Optingenstrasse 16, 3013 Bern

Inventor

Feng, Jialin

Jiangsu 210018, CN

Feng, Tianyuan

Jiangsu 210018, CN

Wu, Youqun

Nanjing, Jiangsu 210018, 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.