BOHRMEISSEL MIT VERSTÄRKTER FLÄCHE
European patent · EP4271908 · In force
Register entry
- Publication number
- EP4271908
- Application number
- EP21916235
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Dec 21, 2021
- Published
- Nov 8, 2023
- Granted
- Feb 18, 2026
- Protection ends at the latest
- Dec 20, 2041
- Next annual fee due
- Dec 31, 2026
- IPC classes
- E21B 10/43 (2006.01)E21B 10/54 (2006.01)E21B 10/56 (2006.01)E21B 10/42 (2006.01)E21B 10/60 (2006.01)
- Priority
- US 202063131602 P 29.12.2020
- PCT application
- PCT/US2021/064596 21.12.2021
- PCT publication
- WO2022/146782 07.07.2022
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Feb 18, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 18.02.2026
Parties
Holder
Inventor
CORONA, Robert, Andrew
Salt Lake City, UT 84115, US
WRIGHT, Kiana
Salt Lake City, UT 84119, US
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.