VERFAHREN ZUR HERSTELLUNG EINES DIFFRAKTIVEN OPTISCHEN ELEMENTS UND DIFFRAKTIVES OPTISCHES ELEMENT
European patent · EP4073558 · Deleted
Register entry
- Publication number
- EP4073558
- Application number
- EP20820891
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Dec 7, 2020
- Published
- Oct 19, 2022
- Granted
- Jan 29, 2025
- Deleted
- Jul 23, 2026
- Reason
- Annual fee unpaid
- IPC classes
- G21K 1/06 (2006.01)G02B 1/12 (2006.01)G02B 5/18 (2006.01)
- Priority
- DE 102019134336 13.12.2019
- PCT application
- PCT/EP2020/084881 07.12.2020
- PCT publication
- WO2021/116017 17.06.2021
- Filing language
- German
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jul 23, 2026
Deleted, fee unpaid
- Status of protective title
- Active → Cancelled
- Cancellation date
- 23.07.2026
- Cause for cancellation
- Non-payment of renewal fee
Published in Swissreg on 23.07.2026
- Dec 10, 2025
Change
Published in Swissreg on 10.12.2025
- Jan 29, 2025
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 29.01.2025
Parties
Holder
Inventor
KLEY, Ernst-Bernhard
07745 Jena, DE
SCHREMPEL, Frank
07745 Jena, DE
ZEITNER, Uwe Detlef
07745 Jena, DE
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.