(19)

(11)

EP 4 824 773 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904582.4 (22) Date of filing: 20.09.2024

(51) International Patent Classification (IPC):  G07C 13/00(2006.01) H04L 9/00(2022.01) G06K 19/00(2006.01) B42D 15/00(2006.01) (52) Cooperative Patent Classification (CPC): H04L 9/0838; G07C 13/00; H04L 9/30; G06K 19/06037 (86) International application number: PCT/US2024/047773 (87) International publication number: WO 2025/128171 (19.06.2025 Gazette 2025/25)

(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: 13.12.2023 US 202318537864 (71) Applicant: Khalsa, Sundri East Boston, Massachusetts 02128 (US)	(72) Inventor: Khalsa, Sundri East Boston, Massachusetts 02128 (US) (74) Representative: HGF  HGF Limited 4th Floor, 1 City Square Leeds LS1 2ES Leeds LS1 2ES (GB)