(19)

(11)

EP 3 999 692 A1

(12)

(43) Date of publication: 25.05.2022 Bulletin 2022/21 (21) Application number: 20841013.4 (22) Date of filing: 02.07.2020

(51) International Patent Classification (IPC):  E04B 2/88(2006.01) E04B 2/90(2006.01) (52) Cooperative Patent Classification (CPC): E04B 2/90; E04B 1/10 (86) International application number: PCT/CA2020/050919 (87) International publication number: WO 2021/007653 (21.01.2021 Gazette 2021/03)

(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: 15.07.2019 US 201962874070 P (71) Applicant: Intelligent City Inc. Vancouver, BC V6E 4A2 (CA)	(72) Inventors: LANG, Oliver Vancouver, British Columbia V6E 4A2 (CA) WILSON, Cynthia Vancouver, British Columbia V6E 4A2 (CA) BLACKMAN, Clayton Vancouver, British Columbia V6E 4A2 (CA) KRIEG, Oliver David Vancouver, British Columbia V6E 4A2 (CA) (74) Representative: Keltie LLP  No. 1 London Bridge London SE1 9BA London SE1 9BA (GB)