(19)

(11)

EP 4 522 822 A1

(12)

(43) Date of publication: 19.03.2025 Bulletin 2025/12 (21) Application number: 23802407.9 (22) Date of filing: 12.05.2023

(51) International Patent Classification (IPC):  E04C 2/40(2006.01) F16S 1/02(2006.01) E04C 2/16(2006.01) (52) Cooperative Patent Classification (CPC): E04C 2/16; E04C 2/40; E04C 2002/004; E04C 2/50; E04C 2/46; E04B 1/12; E04B 1/6116 (86) International application number: PCT/CA2023/050656 (87) International publication number: WO 2023/215996 (16.11.2023 Gazette 2023/46)

(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: KH MA MD TN (30) Priority: 12.05.2022 US 202263341109 P (71) Applicant: Gaudette, Jeff Windsor, ON N8S 1B9 (CA)	(72) Inventor: Gaudette, Jeff Windsor, ON N8S 1B9 (CA) (74) Representative: Brand Murray Fuller LLP  50 Eastcastle Street London W1W 8EA London W1W 8EA (GB)