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European patent · EP3992347 · In force

Register entry

Publication number
EP3992347
Application number
EP20831324
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jun 12, 2020
Published
May 4, 2022
Granted
Feb 25, 2026
Protection ends at the latest
Jun 11, 2040
Next annual fee due
Jun 30, 2026
IPC classes
D06F 39/02 (2006.01)
Priority
CN 201910556617 25.06.2019
PCT application
PCT/CN2020/095736 12.06.2020
PCT publication
WO2020/259313 30.12.2020
Filing language
Chinese
Source
Swissreg

History

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

  1. Feb 25, 2026

    Granted

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

    Published in Swissreg on 25.02.2026

Parties

Inventor

HUANG, Tao

Qingdao, Shandong 266101, CN

ZHOU, Bingheng

Qingdao, Shandong 266101, CN

HUANG, Bencai

Qingdao, Shandong 266101, 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.