(19)

(11)

EP 4 251 436 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21899096.8 (22) Date of filing: 24.11.2021

(51) International Patent Classification (IPC):  B60C 23/04(2006.01) B60C 23/02(2006.01) B60C 23/10(2006.01) B60C 23/00(2006.01) B60C 23/06(2006.01) (52) Cooperative Patent Classification (CPC): B60G 2202/152; B60G 11/27; B60G 2300/0262; B60G 2300/042; B60G 2300/402; B60G 2400/61; B60G 2600/04; B60G 2600/044; B60G 2600/202; B60G 2400/252; B60G 2400/51222; B60G 2400/52; B60G 17/0155; B60G 17/0161; B60G 17/017 (86) International application number: PCT/US2021/060766 (87) International publication number: WO 2022/115566 (02.06.2022 Gazette 2022/22)

(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: 24.11.2020 US 202063117996 P 04.01.2021 US 202117141185 08.02.2021 US 202117170857 (71) Applicant: AKTV8 LLC Wixom, MI 48393 (US)	(72) Inventors: COOMBS, Joshua, D. Lansing, MI 48823 (US) DUNDA, Jake Brighton, MI 48116 (US) KUBIAK, Bradley, J. Fowlerville, MI 48836 (US) (74) Representative: López Camba, Emilia  SILEX IP C/ Poeta Joan Maragall 9, Esc. Izq., 3º Izq. 28020 Madrid 28020 Madrid (ES)