WURZELKANALINSTRUMENT
European patent · EP4236859 · In force
Register entry
- Publication number
- EP4236859
- Application number
- EP21783165
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Sep 22, 2021
- Published
- Sep 6, 2023
- Granted
- Feb 12, 2025
- Protection ends at the latest
- Sep 21, 2041
- Next annual fee due
- Sep 30, 2027
- IPC classes
- A61C 5/42 (2017.01)C21D 9/00 (2006.01)C22C 14/00 (2006.01)C22C 19/05 (2006.01)C22F 1/18 (2006.01)C22C 19/03 (2006.01)C22F 1/10 (2006.01)C21D 1/60 (2006.01)
- Priority
- DE 102020128671 30.10.2020
- PCT application
- PCT/EP2021/076044 22.09.2021
- PCT publication
- WO2022/089845 05.05.2022
- Filing language
- German
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 1, 2026
Next annual fee due on
- Next annual fee due on
- 30.09.2026 → 30.09.2027
Published in Swissreg on 01.10.2026
- Dec 24, 2025
Change
Published in Swissreg on 24.12.2025
- Oct 1, 2025
Next annual fee due on
- Next annual fee due on
- 30.09.2025 → 30.09.2026
Published in Swissreg on 01.10.2025
- Feb 13, 2025
Agent entered
- Representative
- RENTSCH PARTNER AG, Kirchenweg 8, Postfach, 8034 Zürich
Published in Swissreg on 13.02.2025
- Feb 12, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 12.02.2025
Parties
Inventor
KRUMSIEK, Michael
32657 Lemgo, DE
KÜLLMER, Michael
32657 Lemgo, DE
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.