(19)

(11)

EP 4 106 572 A1

(12)

(43) Date of publication: 28.12.2022 Bulletin 2022/52 (21) Application number: 21711394.3 (22) Date of filing: 12.02.2021

(51) International Patent Classification (IPC):  A44B 11/25(2006.01) A44B 11/26(2006.01) (52) Cooperative Patent Classification (CPC): A44B 11/253; A44B 11/2534; A44B 11/2573; A44B 11/2592; A44B 11/266 (86) International application number: PCT/PL2021/000007 (87) International publication number: WO 2021/167475 (26.08.2021 Gazette 2021/34)

(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: 22.02.2020 PL 43300020 (71) Applicant: Protekt - Grzegorz Laszkiewicz 93 - 403 Lódz (PL)	(72) Inventor: LASZKIEWICZ, Grzegorz 93- 403 Lódz (PL) (74) Representative: Dziubinska, Joanna  Kancelaria Patentowa ul. Wyszynskiego 58 m 25 94-047 Lodz 94-047 Lodz (PL)