(19)

(11)

EP 3 762 555 A1

(12)

(43) Date of publication: 13.01.2021 Bulletin 2021/02 (21) Application number: 19763948.7 (22) Date of filing: 05.03.2019

(51) International Patent Classification (IPC):  E04B 1/02(2006.01) E04B 2/00(2006.01) E04B 1/14(2006.01) (86) International application number: PCT/US2019/020668 (87) International publication number: WO 2019/173279 (12.09.2019 Gazette 2019/37)

(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: 05.03.2018 US 201862638451 P (71) Applicant: Fluxus LLC New York NY 10011 (US)	(72) Inventors: LIN, Fanyu New York 10011 (US) STENDHAL, Harry New York 10011 (US) (74) Representative: Patentship Patentanwaltsgesellschaft mbH  Schertlinstraße 29 86159 Augsburg 86159 Augsburg (DE)