TANDEMSOLARZELLE
European patent · EP4174914 · Deleted
Register entry
- Publication number
- EP4174914
- Application number
- EP21870485
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Oct 12, 2021
- Published
- May 3, 2023
- Granted
- Apr 17, 2024
- Deleted
- May 23, 2025
- Reason
- Annual fee unpaid
- IPC classes
- H01L 31/0687 (2012.01)H10K 30/00 (2023.01)H01L 31/0725 (2012.01)H01L 31/18 (2006.01)H01L 31/049 (2014.01)H01L 31/043 (2014.01)H01L 31/0224 (2006.01)H01L 31/0216 (2014.01)H01L 31/078 (2012.01)H01L 31/076 (2012.01)H10K 85/50 (2023.01)
- Priority
- CN 202111096360 16.09.2021
- PCT application
- PCT/CN2021/123383 12.10.2021
- PCT publication
- WO2023/039967 23.03.2023
- Filing language
- Chinese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- May 23, 2025
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.05.2025
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.05.2025
- Feb 26, 2025
Change
Published in Swissreg on 26.02.2025
- Apr 17, 2024
Granted
Published in Swissreg on 17.04.2024
Parties
Inventor
ZHANG, Yuchun
Beijing 10094, CN
ZHONG, Shudong
Beijing 10094, 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.