DIM-TO-WARM-LED-SCHALTUNG
European patent · EP3991521 · In force
Register entry
- Publication number
- EP3991521
- Application number
- EP20739814
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Jun 23, 2020
- Published
- May 4, 2022
- Granted
- May 6, 2026
- Protection ends at the latest
- Jun 22, 2040
- Next annual fee due
- Jun 30, 2026
- IPC classes
- H05B 45/20 (2020.01)H05B 45/3577 (2020.01)H05B 45/325 (2020.01)
- Priority
- US 201916454730 27.06.2019EP 19204908 23.10.2019
- PCT application
- PCT/US2020/039137 23.06.2020
- PCT publication
- WO2020/263826 30.12.2020
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- May 6, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 06.05.2026
Parties
Inventor
QIU , Yifeng
San Jose, California 95131, 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.