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(11)

EP 4 251 002 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21899074.5 (22) Date of filing: 24.11.2021

(51) International Patent Classification (IPC):  A45C 9/00(2006.01) B65D 5/36(2006.01) A45C 7/00(2006.01) A47J 36/34(2006.01) (52) Cooperative Patent Classification (CPC): B65D 81/36; B65D 77/0406; B65D 33/16; B65D 45/02; B65D 33/25 (86) International application number: PCT/US2021/060717 (87) International publication number: WO 2022/115523 (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: 25.11.2020 US 202063118321 P 22.11.2021 US 202117532234 (71) Applicants: Meyer Intellectual Properties Limited Kowloon Hong Kong (CN) Cheng, Stanley, Kin, Sui Vallejo, California 94590 (US)

(72) Inventors: ZHENG, Xi Vallejo, CA 94590 (US) CHENG, Stephanie, Hai Yan Vallejo, CA 94590 (US) CHENG, Stanley, Kin Sui Vallejo, CA 94590 (US) (74) Representative: Botti & Ferrari S.p.A.  Via Cappellini, 11 20124 Milano 20124 Milano (IT)