(19)

(11)

EP 4 188 156 A1

(12)

(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 21752192.1 (22) Date of filing: 26.07.2021

(51) International Patent Classification (IPC):  A45F 3/04(2006.01) A45F 3/12(2006.01) (52) Cooperative Patent Classification (CPC): A45F 3/04; A45F 2003/127; A45F 2003/125; A45F 2003/122 (86) International application number: PCT/IB2021/056760 (87) International publication number: WO 2022/023948 (03.02.2022 Gazette 2022/05)

(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 (30) Priority: 29.07.2020 IT 202000018427 (71) Applicant: Membretti, Francesco 20155 Milano (IT)	(72) Inventor: Membretti, Francesco 20155 Milano (IT) (74) Representative: Pennacchio, Salvatore Giovanni et al Jacobacci & Partners S.p.A. Via Senato, 8 20121 Milano 20121 Milano (IT)