TUNNELBOHRSYSTEM

European patent · EP4026983 · In force

Register entry

Publication number
EP4026983
Application number
EP21213552
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Dec 9, 2021
Published
Jul 13, 2022
Granted
Nov 8, 2023
Protection ends at the latest
Dec 8, 2041
Next annual fee due
Dec 31, 2026
IPC classes
E21B 7/14 (2006.01)
E21B 7/15 (2006.01)
E21D 9/10 (2006.01)
Priority
US 202117248177 12.01.2021
US 202117449456 29.09.2021
Filing language
English
Source
Swissreg

History

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

  1. Jan 1, 2026

    Change

    Published in Swissreg on 01.01.2026

  2. Jan 8, 2025

    Change

    Published in Swissreg on 08.01.2025

  3. Sep 18, 2024

    Change

    Published in Swissreg on 18.09.2024

  4. Nov 16, 2023

    Agent entered

    Representative
    Novagraaf International SA, Chemin de l'Echo 3, 1213 Onex

    Published in Swissreg on 16.11.2023

  5. Nov 8, 2023

    Granted

    Published in Swissreg on 08.11.2023

Parties

Holder

EarthGrid PBC

Berkeley, California 94705, US

Agent

Novagraaf International SA

Chemin de l'Echo 3, 1213 Onex

Inventor

Helming, Troy Anthony

Berkeley, 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.