ELEKTRISCHER BOHRER
European patent · EP3992417 · Deleted
Register entry
- Publication number
- EP3992417
- Application number
- EP21204883
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Oct 26, 2021
- Published
- May 4, 2022
- Granted
- Mar 13, 2024
- Deleted
- May 23, 2025
- Reason
- Annual fee unpaid
- IPC classes
- E21B 11/00 (2006.01)B23B 45/00 (2006.01)E21B 3/035 (2006.01)
- Priority
- CN 202011168552 28.10.2020
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- May 23, 2025
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.05.2025
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.05.2025
- Jan 22, 2025
Change
Published in Swissreg on 22.01.2025
- Mar 13, 2024
Granted
Published in Swissreg on 13.03.2024
Parties
Holder
Inventor
WANG, Tao
Changzhou, Jiangsu 213023, CN
ZHANG, Lingao
Changzhou, Jiangsu 213023, CN
CAO, Yuexun
Changzhou, Jiangsu 213023, CN
HUANG, Fei
Changzhou, Jiangsu 213023, CN
GAO, Naixin
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.