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European patent · EP4172466 · In force
Register entry
- Publication number
- EP4172466
- Application number
- EP21828218
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 25, 2021
- Published
- May 3, 2023
- Granted
- Jun 17, 2026
- Protection ends at the latest
- Jun 24, 2041
- Next annual fee due
- Jun 30, 2026
- IPC classes
- E21D 20/00 (2006.01)E21B 23/00 (2006.01)F15B 15/02 (2006.01)
- Priority
- US 202063044425 P 26.06.2020
- PCT application
- PCT/US2021/039085 25.06.2021
- PCT publication
- WO2021/263102 30.12.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jun 17, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 17.06.2026
Parties
Inventor
PAYNE, Nathan U.
South Point, OH 45680, US
ENDICOTT, Marc D.
Kennova, WV 25530, US
HINSHAW, Gregory E.
Proctorville, OH 45669, US
BURGESS, Timothy D.
South Point, OH 45680, 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.