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.

  1. 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

  2. Dec 10, 2025

    Change

    Published in Swissreg on 10.12.2025

  3. 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

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.