(19)

(11)

EP 4 532 854 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23816630.0 (22) Date of filing: 30.05.2023

(51) International Patent Classification (IPC):  E04B 1/24(2006.01) E04B 1/348(2006.01) E04B 1/344(2006.01) E04B 1/58(2006.01) (52) Cooperative Patent Classification (CPC): E04B 1/3447; E04B 2001/249; E04B 2001/2487; E04B 2001/2496; E04B 2001/2418; E04B 2001/2463; E04B 1/342; E04B 2001/2481 (86) International application number: PCT/US2023/023830 (87) International publication number: WO 2023/235296 (07.12.2023 Gazette 2023/49)

(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: 31.05.2022 US 202263347448 P 29.06.2022 US 202263356762 P (71) Applicant: Folding Holdings, LLC Bothell, Washington 98011 (US)	(72) Inventor: PETERSON, Elliot Bothell, Washington 98011 (US) (74) Representative: Eisenführ Speiser  Patentanwälte Rechtsanwälte PartGmbB Postfach 10 60 78 28060 Bremen 28060 Bremen (DE)