BLEI-EINDRUCK-WERKZUEG
European patent · EP4172457 · In force
Register entry
- Publication number
- EP4172457
- Application number
- EP21745561
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 25, 2021
- Published
- May 3, 2023
- Granted
- Nov 19, 2025
- Protection ends at the latest
- Jun 24, 2041
- Next annual fee due
- Jun 30, 2026
- IPC classes
- E21B 33/03 (2006.01)E21B 47/098 (2012.01)E21B 17/10 (2006.01)
- Priority
- US 202016913892 26.06.2020
- PCT application
- PCT/US2021/039142 25.06.2021
- PCT publication
- WO2021/263137 30.12.2021
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 30, 2026
Change
Published in Swissreg on 30.09.2026
- Nov 19, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 19.11.2025
Parties
Inventor
MCALLISTER, Shane
Houston, TX 77079, US
WENDEBORN, Alex
Houston, Texas 77079, 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.