STANGENBOHRER
European patent · EP3974615 · In force
Register entry
- Publication number
- EP3974615
- Application number
- EP20808910
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- May 13, 2020
- Published
- Mar 30, 2022
- Granted
- Sep 10, 2025
- Protection ends at the latest
- May 12, 2040
- Next annual fee due
- May 31, 2026
- IPC classes
- E21B 10/42 (2006.01)E21B 10/44 (2006.01)E21B 10/46 (2006.01)E02D 5/56 (2006.01)E02D 7/22 (2006.01)E21B 10/58 (2006.01)
- Priority
- JP 2019095191 21.05.2019
- PCT application
- PCT/JP2020/019046 13.05.2020
- PCT publication
- WO2020/235407 26.11.2020
- Filing language
- Japanese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 22, 2026
Change
Published in Swissreg on 22.07.2026
- Sep 10, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 10.09.2025
Parties
Inventor
ISHIZUKA Takemi
Nagoya-shi, Aichi 454-0961, JP
MONNZAKI Takahiro
Mizuho-shi, Gifu 501-0232, JP
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.