SPIRALVERDICHTER

European patent · EP4273401 · Deleted

Register entry

Publication number
EP4273401
Application number
EP22217270
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Dec 30, 2022
Published
Nov 8, 2023
Granted
Jun 25, 2025
Deleted
Jul 23, 2026
Reason
Annual fee unpaid
IPC classes
F04C 18/02 (2006.01)
F04C 29/12 (2006.01)
Priority
KR 20220055511 04.05.2022
Filing language
English
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. May 7, 2026

    Change

    Published in Swissreg on 07.05.2026

  3. Jun 25, 2025

    Granted

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

    Published in Swissreg on 25.06.2025

Parties

Inventor

CHOI, Yoonsung

Seoul, KR

PARK, Sangbaek

Seoul, KR

KIM, Cheolhwan

Seoul, KR

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.