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EP 3 846 653 A1

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(43) Date of publication: 14.07.2021 Bulletin 2021/28 (21) Application number: 19857904.7 (22) Date of filing: 06.09.2019

(51) International Patent Classification (IPC):  A42B 3/12(2006.01) A42B 1/12(2006.01) A63B 71/10(2006.01) A42B 1/08(2006.01) A42B 3/32(2006.01) F41H 1/04(2006.01) (86) International application number: PCT/US2019/049864 (87) International publication number: WO 2020/051404 (12.03.2020 Gazette 2020/11)

(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: 07.09.2018 US 201862728375 P (71) Applicant: 2nd Skull, Inc. Pittsburgh, PA 15224 (US)	(72) Inventors: BLAXTER, H., Vaughan Pittsburgh, PA 15224 (US) LYNCH, Kevin, M. Pittsburgh, PA 15224 (US) CHURCH, Marvin Pittsburgh, PA 15222 (US) LASKOWSKI, Michael Pittsburgh, PA 15222 (US) (74) Representative: Forresters IP LLP  Skygarden Erika-Mann-Straße 11 80636 München 80636 München (DE)