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 Citations: EP3277994

Cited inInternational search
Type:Patent literature
Publication No.:US4022423  [X]
 (O'CONNOR JOSEPH, et al) [X] 1-6 * the whole document *;
Type:Patent literature
Publication No.:US2008029722  [XI]
 (IRWIN KEVIN M [US]) [X] 1-4,6,7 * paragraph [0038] - paragraph [0086]; figures 1-6 * [I] 5,8-15;
Type:Patent literature
Publication No.:DE102010005459  [A]
 (SASSERATH & CO KG H [DE]) [A] 1-15* the whole document *