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European patent · EP3940438 · Deleted

Register entry

Publication number
EP3940438
Application number
EP19920189
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Dec 20, 2019
Published
Jan 19, 2022
Granted
Aug 27, 2025
Deleted
Jul 23, 2026
Reason
Annual fee unpaid
IPC classes
G02B 6/42 (2006.01)
Priority
CN 201910199334 15.03.2019
CN 201910199347 15.03.2019
CN 201910199953 15.03.2019
PCT application
PCT/CN2019/127211 20.12.2019
PCT publication
WO2020/186862 24.09.2020
Filing language
Chinese
Source
Swissreg

History

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

  1. 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

  2. Jul 8, 2026

    Change

    Published in Swissreg on 08.07.2026

  3. Aug 27, 2025

    Granted

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

    Published in Swissreg on 27.08.2025

Parties

Inventor

DU, Guangchao

Qingdao, Shandong 266555, CN

TANG, Yongzheng

Qingdao, Shandong 266555, CN

WU, Tao

Qingdao, Shandong 266555, CN

MU, Jianwei

Qingdao, Shandong 266555, CN

SUI, Shaoshuai

Qingdao, Shandong 266555, CN

HAN, Jihong

Qingdao, Shandong 266555, CN

CHEN, Sitao

Qingdao, Shandong 266555, CN

SHAO, Qian

Qingdao, Shandong 266555, 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.