(19)

(11)

EP 4 561 721 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 22953351.8 (22) Date of filing: 27.07.2022

(51) International Patent Classification (IPC):  A63H 1/30(2006.01) G01P 3/36(2006.01) G01P 3/68(2006.01) G01P 15/18(2013.01) G01P 3/44(2006.01) H04B 1/02(2006.01) (52) Cooperative Patent Classification (CPC): A63H 1/30; H04B 1/02; A63H 1/24; A63H 1/28; G01S 5/0289; G01S 5/0205 (86) International application number: PCT/US2022/074182 (87) International publication number: WO 2024/025598 (01.02.2024 Gazette 2024/05)

(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 (71) Applicant: Duncan Yo-Yo Go, LLC Wilmington, DE 19801 (US)	(72) Inventors: JARDIN, Bryan Paul Champions Gate, FL 33896 (US) SAUEY, Jason C. Madison, WI 53718 (US) PETRAS, James M. Euclid, OH 44119 (US) BANACH, Matthew Gurnee, IL 60031 (US) ZAVRACKY, Richard Phillip Reminderville, OH 44202 (US) (74) Representative: Ipside  7-9 Allée Haussmann 33300 Bordeaux Cedex 33300 Bordeaux Cedex (FR)