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EP 4 577 716 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 22786087.1 (22) Date of filing: 22.08.2022

(51) International Patent Classification (IPC):  E06B 1/02(2006.01) E04B 1/94(2006.01) E06B 5/16(2006.01) (52) Cooperative Patent Classification (CPC): E04B 1/7641; E04B 1/948; E06B 1/02; E06B 5/168 (86) International application number: PCT/HU2022/000013 (87) International publication number: WO 2024/042342 (29.02.2024 Gazette 2024/09)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: RÉTI, István 2510 Dorog (HU)	(72) Inventor: RÉTI, István 2510 Dorog (HU) (74) Representative: Danubia Patent & Law Office LLC  Bajcsy-Zsilinszky út 16 1051 Budapest 1051 Budapest (HU)