STROHHALM

European patent · EP4573977 · In force

Register entry

Publication number
EP4573977
Application number
EP23219920
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Dec 22, 2023
Published
Jun 25, 2025
Granted
Nov 19, 2025
Protection ends at the latest
Dec 21, 2043
Next annual fee due
Dec 31, 2026
IPC classes
A47G 21/18 (2006.01)
Filing language
English
Source
Swissreg

History

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

  1. Sep 30, 2026

    Change

    Published in Swissreg on 30.09.2026

  2. Jan 30, 2026

    Agent entered

    Representative
    Rapisardi Intellectual Property SA, Via Ariosto 6, 6901 Lugano

    Published in Swissreg on 30.01.2026

  3. Nov 19, 2025

    Granted

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

    Published in Swissreg on 19.11.2025

Parties

Inventor

YANG, Dai Tan

338 Taoyuan City, TW

CHEN, Pao Tan

338 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.