(19)

(11)

EP 4 304 423 A1

(12)

(43) Date of publication: 17.01.2024 Bulletin 2024/03 (21) Application number: 22711347.9 (22) Date of filing: 10.03.2022

(51) International Patent Classification (IPC):  A47C 21/04(2006.01) A47C 23/06(2006.01) A47C 19/02(2006.01) (52) Cooperative Patent Classification (CPC): A47C 19/025; A47C 21/044; A47C 21/046; A47C 21/048; A47C 23/06 (86) International application number: PCT/NL2022/050130 (87) International publication number: WO 2022/191704 (15.09.2022 Gazette 2022/37)

(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: 10.03.2021 NL 2027736 10.03.2021 US 202117198098 (71) Applicant: Pure-development 1 B.V. 3744 MA Baarn (NL)	(72) Inventors: VAN DOORNEWAARD, Barry 3744 MA Baarn (NL) STEEGMANS, Michiel Maria Augustinus 3744 MA Baarn (NL) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)