(19)

(11)

EP 4 274 669 A2

(12)

(43) Date of publication: 15.11.2023 Bulletin 2023/46 (21) Application number: 23711658.7 (22) Date of filing: 07.03.2023

(51) International Patent Classification (IPC):  A63H 33/08(2006.01) (52) Cooperative Patent Classification (CPC): A63H 33/086; A63H 33/108 (86) International application number: PCT/US2023/014737 (87) International publication number: WO 2023/177559 (21.09.2023 Gazette 2023/38)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 13.03.2022 US 202217709412 (71) Applicant: Laltitude LLC Hacienda Heights, CA 91745 (US)	(72) Inventor: WANG, Howard Hacienda Heights, CA 91745 (US) (74) Representative: Soldatini, Andrea et al Società Italiana Brevetti S.p.A. Corso dei Tintori, 25 50122 Firenze 50122 Firenze (IT)