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European patent · EP4311379 · Deleted

Register entry

Publication number
EP4311379
Application number
EP22794244
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Jan 29, 2022
Published
Jan 24, 2024
Granted
Apr 30, 2025
Deleted
Aug 25, 2026
Reason
Annual fee unpaid
IPC classes
H05K 1/18 (2006.01)
H01Q 1/22 (2006.01)
H01Q 3/26 (2006.01)
H01Q 21/00 (2006.01)
Priority
CN 202110474739 29.04.2021
PCT application
PCT/CN2022/074997 29.01.2022
PCT publication
WO2022/227763 03.11.2022
Filing language
Chinese
Source
Swissreg

History

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

  1. Aug 25, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    25.08.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 25.08.2026

  2. Mar 11, 2026

    Change

    Published in Swissreg on 11.03.2026

  3. Apr 30, 2025

    Granted

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

    Published in Swissreg on 30.04.2025

Parties

Holder

Chengdu T-Ray Technology Co., Ltd.

No. 2106, 21st Floor Building 10 No. 399, West Section of Fucheng Avenue High-tech Zone, Chengdu, Sichuan 610015, CN

Southeast University

No. 9, Mozhou East Road Jiangning Economic And Technological Development Zone, Nanjing, Jiangsu 211189, CN

Inventor

LIU, Huiqi

Chengdu, Sichuan 610015, CN

ZHAO, Dixian

Chengdu, Sichuan 610015, CN

YOU, Xiaohu

Chengdu, Sichuan 610015, CN

CHEN, Zhihui

Chengdu, Sichuan 610015, 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.