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European patent · EP3967877 · Deleted

Register entry

Publication number
EP3967877
Application number
EP20802976
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Apr 15, 2020
Published
Mar 16, 2022
Granted
Jun 12, 2024
Deleted
Nov 25, 2025
Reason
Annual fee unpaid
IPC classes
F04B 39/04 (2006.01)
F04B 35/04 (2006.01)
F04B 39/12 (2006.01)
Priority
US 201916406288 08.05.2019
PCT application
PCT/CN2020/084914 15.04.2020
PCT publication
WO2020/224400 12.11.2020
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. Apr 23, 2025

    Change

    Published in Swissreg on 23.04.2025

  3. Jun 12, 2024

    Granted

    Published in Swissreg on 12.06.2024

Parties

Inventor

HAHN, Gregory William

Wilmington, DE 19801, US

TCHOLAKOV, Dimitar

Wilmington, DE 19801, US

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.