RINGFÖRMIGE BARRIERE
European patent · EP4363691 · In force
Register entry
- Publication number
- EP4363691
- Application number
- EP22743775
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 30, 2022
- Published
- May 8, 2024
- Granted
- Jul 23, 2025
- Protection ends at the latest
- Jun 29, 2042
- Next annual fee due
- Jun 30, 2026
- IPC classes
- E21B 33/12 (2006.01)E21B 33/128 (2006.01)E21B 33/1295 (2006.01)
- Priority
- EP 21183251 01.07.2021
- PCT application
- PCT/EP2022/068044 30.06.2022
- PCT publication
- WO2023/275233 05.01.2023
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jun 4, 2026
Change
Published in Swissreg on 04.06.2026
- Jul 23, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 23.07.2025
Parties
Inventor
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.