ERDBOHRER

European patent · EP3994969 · Deleted

Register entry

Publication number
EP3994969
Application number
EP21202842
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Oct 15, 2021
Published
May 11, 2022
Granted
Dec 4, 2024
Deleted
May 27, 2026
Reason
Annual fee unpaid
IPC classes
A01C 5/04 (2006.01)
E02F 5/16 (2006.01)
E21B 10/00 (2006.01)
E21B 11/00 (2006.01)
Priority
CN 202011107406 16.10.2020
CN 202011107420 16.10.2020
CN 202022305029 U 16.10.2020
CN 202022305111 U 16.10.2020
Filing language
English
Source
Swissreg

History

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

  1. May 27, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    27.05.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 27.05.2026

  2. Oct 15, 2025

    Change

    Published in Swissreg on 15.10.2025

  3. Dec 4, 2024

    Granted

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

    Published in Swissreg on 04.12.2024

Parties

Inventor

HUANG, Fei

Changzhou, Jiangsu, 213023, CN

WANG, Doushi

Changzhou, Jiangsu, 213023, CN

WANG, Zhikun

Changzhou, Jiangsu, 213023, CN

LI, Jing

Changzhou, Jiangsu, 213023, CN

WANG, Zhongjun

Changzhou, Jiangsu, 213023, 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.