BOHRER

European patent · EP4139552 · Deleted

Register entry

Publication number
EP4139552
Application number
EP21720555
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Apr 16, 2021
Published
Mar 1, 2023
Granted
Dec 27, 2023
Deleted
Nov 23, 2024
Reason
Annual fee unpaid
IPC classes
E21B 1/14 (2006.01)
E21B 10/36 (2006.01)
E21B 15/04 (2006.01)
E21B 49/02 (2006.01)
Priority
GB 202005716 20.04.2020
PCT application
PCT/GB2021/050914 16.04.2021
PCT publication
WO2021/214431 28.10.2021
Filing language
English
Source
Swissreg

History

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

  1. Nov 23, 2024

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.11.2024
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.11.2024

  2. Nov 6, 2024

    Change

    Published in Swissreg on 06.11.2024

  3. Dec 27, 2023

    Granted

    Published in Swissreg on 27.12.2023

Parties

Holder

University of Surrey

Guildford, Surrey GU2 7XH, GB

Inventor

ALKALLA, Mohamed

Guildford Surrey GU2 7XH, GB

GAO, Yang

Guildford Surrey GU2 7XH, GB

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.