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(11)

EP 4 055 219 A1

(12)

(43) Date of publication: 14.09.2022 Bulletin 2022/37 (21) Application number: 20885997.5 (22) Date of filing: 04.11.2020

(51) International Patent Classification (IPC):  D03D 27/08(2006.01) D06B 3/00(2006.01) D06B 11/00(2006.01) (52) Cooperative Patent Classification (CPC): D01D 5/08; D01F 1/06; D01F 1/10; D01F 1/106; D01F 6/04; D01F 6/06; D01F 6/60; D10B 2331/04; D03D 15/283; D10B 2321/021; D03D 15/52; D02G 3/44; D10B 2321/022; D10B 2331/02 (86) International application number: PCT/US2020/058810 (87) International publication number: WO 2021/091962 (14.05.2021 Gazette 2021/19)

(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: 06.11.2019 US 201962931727 P (71) Applicant: LifeLabs Design, Inc. Sunnyvale, CA 94089 (US)	(72) Inventors: LAU, Cindy Yee Cin Sunnyvale, California 94089 (US) ZHU, Pei Sunnyvale, California 94089 (US) TUSCIA, Eric Sunnyvale, California 94089 (US) (74) Representative: Dietz, Christopher Friedrich et al Gleiss Große Schrell und Partner mbB Patentanwälte Rechtsanwälte Leitzstraße 45 70469 Stuttgart 70469 Stuttgart (DE)