GRAPHEN-WÄRMEABLEITUNGS-LED-LAMPE
European patent · EP3640536 · In force
Register entry
- Publication number
- EP3640536
- Application number
- EP17909235
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Dec 26, 2017
- Published
- Apr 22, 2020
- Granted
- Apr 13, 2022
- Protection ends at the latest
- Dec 25, 2037
- Next annual fee due
- Dec 31, 2026
- IPC classes
- F21V 29/77 (2015.01)F21V 29/85 (2015.01)F21V 31/00 (2006.01)F21Y 115/10 (2016.01)F21V 17/12 (2006.01)F21W 131/103 (2006.01)
- Priority
- CN 201720516122 U 10.05.2017
- PCT application
- PCT/CN2017/118682 26.12.2017
- PCT publication
- WO2018/205634 15.11.2018
- Filing language
- Chinese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jan 15, 2026
Change
Published in Swissreg on 15.01.2026
- Jan 1, 2025
Change
Published in Swissreg on 01.01.2025
- Jan 1, 2024
Change
Published in Swissreg on 01.01.2024
- Mar 7, 2023
Change
Published in Swissreg on 07.03.2023
- Jan 1, 2023
Change
Published in Swissreg on 01.01.2023
- May 20, 2022
Agent entered
- Representative
- Novagraaf International SA, Chemin de l'Echo 3, 1213 Onex
Published in Swissreg on 20.05.2022
- Apr 13, 2022
Granted
Published in Swissreg on 13.04.2022
Parties
Holder
Inventor
CHEN, Wei
Hebei 050035, CN
LI, Heran
Hebei 050035, CN
LI, Qing
Hebei 050035, CN
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.