GLASFASER
European patent · EP4123350 · Deleted
Register entry
- Publication number
- EP4123350
- Application number
- EP21772149
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Mar 16, 2021
- Published
- Jan 25, 2023
- Granted
- Dec 3, 2025
- Deleted
- Oct 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- G02B 6/036 (2006.01)G02B 6/028 (2006.01)
- Priority
- JP 2020046648 17.03.2020
- PCT application
- PCT/JP2021/010590 16.03.2021
- PCT publication
- WO2021/187475 23.09.2021
- Filing language
- Japanese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.10.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.10.2026
- Oct 14, 2026
Change
Published in Swissreg on 14.10.2026
- Dec 3, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 03.12.2025
Parties
Holder
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Osaka-shi, Osaka 541-0041, JP
Inventor
KAWAGUCHI, Yuki
Osaka-shi, Osaka 541-0041, JP
HASEGAWA, Takemi
Osaka-shi, Osaka 541-0041, JP
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.