(19)

(11)

EP 4 367 340 A1

(12)

(43) Date of publication: 15.05.2024 Bulletin 2024/20 (21) Application number: 22838329.5 (22) Date of filing: 06.07.2022

(51) International Patent Classification (IPC):  E04D 13/143(2006.01) E04D 13/14(2006.01) E04D 13/00(2006.01) E04D 13/17(2006.01) (52) Cooperative Patent Classification (CPC): E04D 13/1415 (86) International application number: PCT/US2022/036188 (87) International publication number: WO 2023/283224 (12.01.2023 Gazette 2023/02)

(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: 07.07.2021 US 202163219177 P (71) Applicant: Koester, John H. Payson, AZ 85541 (US)	(72) Inventor: Koester, John H. Payson, AZ 85541 (US) (74) Representative: Dummett Copp LLP  25 The Square Martlesham Heath Ipswich IP5 3SL Ipswich IP5 3SL (GB)