(19)

(11)

EP 4 824 371 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24901828.4 (22) Date of filing: 16.12.2024

(51) International Patent Classification (IPC):  E04C 2/32(2006.01) E04B 1/32(2006.01) E04B 1/344(2006.01) E04B 1/74(2006.01) E04B 2/00(2006.01) E04C 2/34(2006.01) E04C 3/04(2006.01) E04D 3/30(2006.01) E04F 13/08(2006.01) E04B 1/00(2006.01) E04B 1/343(2006.01) E04B 1/61(2006.01) E04B 1/90(2006.01) E04C 2/08(2006.01) E04C 2/52(2006.01) E04C 3/08(2006.01) E04D 3/362(2006.01) E04F 13/12(2006.01) (52) Cooperative Patent Classification (CPC): E04D 3/30; E04D 3/362; E04F 13/0894; E04F 13/0862; E04F 13/0864; E04F 13/0866; E04F 13/12; E04C 2003/0495; E04B 1/3449 (86) International application number: PCT/AU2024/051356 (87) International publication number: WO 2025/123099 (19.06.2025 Gazette 2025/25)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 15.12.2023 AU 2023904071 (71) Applicant: Krisohos, George Sydney, NSW 2028 (AU)	(72) Inventor: Krisohos, George Sydney, NSW 2028 (AU) (74) Representative: Ström & Gulliksson AB  P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)