(19)

(11)

EP 4 504 002 A1

(12)

(43) Date of publication: 12.02.2025 Bulletin 2025/07 (21) Application number: 23725474.3 (22) Date of filing: 21.04.2023

(51) International Patent Classification (IPC):  A47B 43/00(2006.01) E05D 11/10(2006.01) A47B 46/00(2006.01) A47F 5/10(2006.01) (52) Cooperative Patent Classification (CPC): A47B 43/00; A47B 46/00; A47B 85/08; A47B 47/042; A47B 2220/0072; A47F 5/10; E05G 1/08 (86) International application number: PCT/US2023/019368 (87) International publication number: WO 2023/205396 (26.10.2023 Gazette 2023/43)

(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: 21.04.2022 US 202263333433 P 20.04.2023 US 202318303881 (71) Applicant: Canvas Development Services, Inc. New York, New York 10016 (US)	(72) Inventor: BOARDMAN, Paul New York,NY 10016 (US) (74) Representative: Wittmer, Maximilian  Grosse - Schumacher - Knauer - von Hirschhausen Patent- und Rechtsanwälte Nymphenburger Straße 14 80335 München 80335 München (DE)