RINGFÖRMIGE BARRIERE MIT VENTILSYSTEM
European patent · EP3918178 · In force
Register entry
- Publication number
- EP3918178
- Application number
- EP20701654
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jan 30, 2020
- Published
- Dec 8, 2021
- Granted
- Sep 30, 2026
- Protection ends at the latest
- Jan 29, 2040
- Next annual fee due
- Jan 31, 2027
- IPC classes
- E21B 33/12 (2006.01)E21B 34/10 (2006.01)E21B 33/127 (2006.01)
- Priority
- EP 19154885 31.01.2019
- PCT application
- PCT/EP2020/052342 30.01.2020
- PCT publication
- WO2020/157227 06.08.2020
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 30, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 30.09.2026
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.