SYSTEM ZUR BELÜFTUNG VON RÄUMEN

European patent · EP3921580 · Deleted

Register entry

Publication number
EP3921580
Application number
EP20720499
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Jan 29, 2020
Published
Dec 15, 2021
Granted
Jul 24, 2024
Deleted
Aug 25, 2026
Reason
Annual fee unpaid
IPC classes
F24D 19/00 (2006.01)
F24D 19/02 (2006.01)
F24F 7/013 (2006.01)
F24F 12/00 (2006.01)
F24F 13/08 (2006.01)
F24F 13/10 (2006.01)
F24F 13/24 (2006.01)
F24F 13/14 (2006.01)
F24F 7/00 (2021.01)
Priority
DE 102019102847 05.02.2019
PCT application
PCT/IB2020/050696 29.01.2020
PCT publication
WO2020/161565 13.08.2020
Filing language
German
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. Jun 4, 2025

    Change

    Published in Swissreg on 04.06.2025

  3. Feb 1, 2025

    Next annual fee due on

    Next annual fee due on
    31.01.2025 → 31.01.2026

    Published in Swissreg on 01.02.2025

  4. Aug 8, 2024

    Agent entered

    Representative
    Dennemeyer AG, Bahnhofstrasse 23, 6300 Zug

    Published in Swissreg on 08.08.2024

  5. Jul 24, 2024

    Granted

    Published in Swissreg on 24.07.2024

Parties

Inventor

HIRSCH, Christian

08309 Eibenstock, DE

SABACZUK, Frank

08056 Zwickau, DE

OTTO, Frank

08132 Muelsen, DE

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.