blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP Patent family: EP4049987 Family dossiers alerts: RSS Email

Subscribe to email alerts


Dossier(s):  

CN202010101797 CN2020101986W EP20919900 US202017793418



A confirmation email will be sent to the email address indicated
TypeType Patent family member
Publication No. DateType
US2023042168Global Dossier 09.02.2023A1
Priority number Date
WO2020CN101986 15.07.2020
CN202010101797 19.02.2020
TypeType Patent family member
Publication No. DateType
EP4049987Global Dossier 20.12.2023A4
EP4049987 31.08.2022A1
Priority number Date
WO2020CN101986 15.07.2020
CN202010101797 19.02.2020
TypeType Equivalent
Publication No. DateType
WO2021164191Global Dossier 26.08.2021A1
Priority number Date
CN202010101797 19.02.2020
TypeType Equivalent
Publication No. DateType
CN111362685BGlobal Dossier 20.08.2021B
CN111362685 03.07.2020A
Priority number Date
CN202010101797 19.02.2020