WS12-FREISETZENDE KONTAKTLINSE
European patent · EP4453621 · In force
Register entry
- Publication number
- EP4453621
- Application number
- EP23804742
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Oct 30, 2023
- Published
- Oct 30, 2024
- Granted
- Oct 22, 2025
- Protection ends at the latest
- Oct 29, 2043
- Next annual fee due
- Oct 31, 2026
- IPC classes
- G02B 1/04 (2006.01)
- Priority
- US 202263420738 P 31.10.2022
- PCT application
- PCT/GB2023/052823 30.10.2023
- PCT publication
- WO2024/094974 10.05.2024
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Sep 2, 2026
Change
Published in Swissreg on 02.09.2026
- Oct 22, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 22.10.2025
Parties
Holder
Inventor
SI, Erwin
Pleasanton, California 94588, US
KEIR, Nancy
Pleasanton, California 94588, US
BASUTHKAR SUNDAR RAO, Subam
Pleasanton, California 94588, 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.