(19)

(11)

EP 3 945 980 A1

(12)

(43) Date of publication: 09.02.2022 Bulletin 2022/06 (21) Application number: 20721831.4 (22) Date of filing: 26.03.2020

(51) International Patent Classification (IPC):  A47L 15/50(2006.01) A47L 15/42(2006.01) (52) Cooperative Patent Classification (CPC): A47L 15/508; A47L 15/4221; A47L 15/0078; A47L 15/505 (86) International application number: PCT/IT2020/050077 (87) International publication number: WO 2020/202230 (08.10.2020 Gazette 2020/41)

(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: 02.04.2019 IT 201900004889 (71) Applicant: Aristarco, Andrea 31033 Castelfranco Veneto (IT)	(72) Inventor: Aristarco, Andrea 31033 Castelfranco Veneto (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)