DREHGESTELL UMFASSEND EINEN RAHMEN

European patent · EP4275987 · Deleted

Register entry

Publication number
EP4275987
Application number
EP21917230
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Dec 2, 2021
Published
Nov 15, 2023
Granted
May 28, 2025
Deleted
Jul 23, 2026
Reason
Annual fee unpaid
IPC classes
B61F 5/52 (2006.01)
B61H 7/08 (2006.01)
Priority
CN 202110012868 06.01.2021
PCT application
PCT/CN2021/134918 02.12.2021
PCT publication
WO2022/148189 14.07.2022
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. Apr 9, 2026

    Change

    Published in Swissreg on 09.04.2026

  3. May 28, 2025

    Granted

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

    Published in Swissreg on 28.05.2025

Parties

Holder

CRRC Qingdao Sifang Co., Ltd.

No. 88 Jinhongdong Road Chengyang District, Qingdao, Shandong 266111, CN

Inventor

CAO, Qingda

Qingdao, Shandong 266111, CN

YANG, Weidong

Qingdao, Shandong 266111, CN

CAO, Hongyong

Qingdao, Shandong 266111, CN

ZHOU, Junfeng

Qingdao, Shandong 266111, CN

LV, Jianfa

Qingdao, Shandong 266111, 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.