(19)

(11)

EP 4 739 405 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24840403.0 (22) Date of filing: 09.07.2024

(51) International Patent Classification (IPC):  A63B 21/075(2006.01) (52) Cooperative Patent Classification (CPC): A63B 21/075; A63B 21/4035; A63B 2071/0694; A63B 71/0036; A63B 21/072; A63B 21/0728 (86) International application number: PCT/US2024/037117 (87) International publication number: WO 2025/014910 (16.01.2025 Gazette 2025/03)

(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: GE KH MA MD TN (30) Priority: 10.07.2023 US 202318219726 (71) Applicant: Sisler, Craig Louis Meadowview, VA 24361 (US)	(72) Inventor: Sisler, Craig Louis Meadowview, VA 24361 (US) (74) Representative: Inchingalo, Simona  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)