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European patent · EP4479620 · Deleted
Register entry
- Publication number
- EP4479620
- Application number
- EP23704992
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Feb 15, 2023
- Published
- Dec 25, 2024
- Granted
- Apr 16, 2025
- Deleted
- Sep 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- E21B 17/043 (2006.01)
- Priority
- FR 2201403 17.02.2022
- PCT application
- PCT/EP2023/053796 15.02.2023
- PCT publication
- WO2023/156479 24.08.2023
- Filing language
- French
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.09.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.09.2026
- Feb 25, 2026
Change
Published in Swissreg on 25.02.2026
- Apr 16, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 16.04.2025
Parties
Holder
Vallourec Oil and Gas France
59620 Aulnoye-Aymeries, FR
Inventor
MARTIN, Pierre
92190 MEUDON, FR
VERGER, Eric
92190 MEUDON, FR
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.