PROJEKTIONSVORRICHTUNG

European patent · EP3992710 · In force

Register entry

Publication number
EP3992710
Application number
EP21192116
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Aug 19, 2021
Published
May 4, 2022
Granted
Oct 15, 2025
Protection ends at the latest
Aug 18, 2041
Next annual fee due
Aug 31, 2026
IPC classes
G03B 21/20 (2006.01)
G03B 21/14 (2006.01)
G02B 6/42 (2006.01)
G03B 21/54 (2006.01)
F21V 8/00 (2006.01)
Priority
US 202063108446 P 02.11.2020
CN 202110163756 05.02.2021
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Aug 26, 2026

    Change

    Published in Swissreg on 26.08.2026

  2. Oct 15, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 15.10.2025

Parties

Inventor

CHEN, Ching-Chao

333 Taoyuan City, TW

YEH, Chia-Sheng

333 Taoyuan City, TW

YING, Wei-Kuang

333 Taoyuan City, TW

CHIANG, Fu-Jen

333 Taoyuan City, TW

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.