ELEKTRONISCHES EXPANSIONSVENTIL

European patent · EP3974689 · Deleted

Register entry

Publication number
EP3974689
Application number
EP20809652
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Apr 23, 2020
Published
Mar 30, 2022
Granted
Aug 28, 2024
Deleted
Nov 25, 2025
Reason
Annual fee unpaid
IPC classes
F16K 1/04 (2006.01)
F16K 31/04 (2006.01)
F16K 31/50 (2006.01)
F25B 41/35 (2021.01)
Priority
CN 201910419984 20.05.2019
PCT application
PCT/CN2020/086493 23.04.2020
PCT publication
WO2020/233338 26.11.2020
Filing language
Chinese
Source
Swissreg

History

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

  1. Nov 25, 2025

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    25.11.2025
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 25.11.2025

  2. Jul 9, 2025

    Change

    Published in Swissreg on 09.07.2025

  3. Aug 28, 2024

    Granted

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

    Published in Swissreg on 28.08.2024

Parties

Holder

Zhejiang Dunan Artificial Environment Co., Ltd.

Diankou Industry Zone, Zhuji,, Shaoxing Zhejiang 311835, CN

Inventor

FENG, Guigang

Shaoxing, Zhejiang 311835, CN

ZHAN, Shaojun

Shaoxing, Zhejiang 311835, CN

HE, Qiubo

Shaoxing, Zhejiang 311835, 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.