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EP 3 818 230 A1

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(43) Date of publication: 12.05.2021 Bulletin 2021/19 (21) Application number: 19830718.3 (22) Date of filing: 03.07.2019

(51) International Patent Classification (IPC):  E05F 3/10(2006.01) E05F 3/22(2006.01) E05F 3/12(2006.01) (86) International application number: PCT/US2019/040533 (87) International publication number: WO 2020/010220 (09.01.2020 Gazette 2020/02)

(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: 06.07.2018 US 201862694762 P (71) Applicant: Boundy, Tim J. Deer Park, Illinois 60010 (US)	(72) Inventor: Boundy, Tim J. Deer Park, Illinois 60010 (US) (74) Representative: Schollweck, Susanne  ZSP Patentanwälte PartG mbB Hansastraße 32 80686 München 80686 München (DE)