(19)

(11)

EP 4 041 968 A1

(12)

(43) Date of publication: 17.08.2022 Bulletin 2022/33 (21) Application number: 20873091.1 (22) Date of filing: 02.10.2020

(51) International Patent Classification (IPC):  E04H 17/14(2006.01) H01B 7/02(2006.01) H02G 3/04(2006.01) (52) Cooperative Patent Classification (CPC): E01F 15/141 (86) International application number: PCT/US2020/053880 (87) International publication number: WO 2021/067652 (08.04.2021 Gazette 2021/14)

(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: 03.10.2019 US 201962910189 P (71) Applicant: McCue Corporation Danvers, MA 01923 (US)	(72) Inventors: MESA, Teodoro, A. Lynn, MA 01902 (US) BRAVO, Frances Waltham, MA 02453 (US) OSWALD, Evan Mablehead, MA 01945 (US) DIANTONIO, David dover, MA 01810 (US) (74) Representative: Purdylucey Intellectual Property  6-7 Harcourt Terrace D02 FH73 Dublin 2 D02 FH73 Dublin 2 (IE)