BESTIMMUNG DER FILTERLEBENSDAUER
European patent · EP4256304 · In force
Register entry
- Publication number
- EP4256304
- Application number
- EP21835038
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- In force
- Specification
- Granted
- Filed
- Nov 30, 2021
- Published
- Oct 11, 2023
- Granted
- Apr 1, 2026
- Protection ends at the latest
- Nov 29, 2041
- Next annual fee due
- Nov 30, 2026
- IPC classes
- G01N 15/08 (2006.01)
- Priority
- US 202017108629 01.12.2020
- PCT application
- PCT/US2021/061184 30.11.2021
- PCT publication
- WO2022/119829 09.06.2022
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Apr 1, 2026
Granted
- Specification status
- Non-published patent application → Granted patent
- Status of protective title
- Initiated → Active
Published in Swissreg on 01.04.2026
Parties
Inventor
DERVAES, Nelson, E.
Fort Collins, CO 80526, US
LEONE, Lynn, Ruth
Fort Collins, CO 80528, US
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.