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EP 4 493 383 A1

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(43) Date of publication: 22.01.2025 Bulletin 2025/04 (21) Application number: 23771478.7 (22) Date of filing: 17.03.2023

(51) International Patent Classification (IPC):  B29C 35/10(2006.01) B29C 59/04(2006.01) G02F 1/13(2006.01) B29C 59/02(2006.01) B82Y 40/00(2011.01) (52) Cooperative Patent Classification (CPC): B29C 59/022; B29C 59/04; B29C 2035/0827; B29C 2059/023 (86) International application number: PCT/US2023/015566 (87) International publication number: WO 2023/177905 (21.09.2023 Gazette 2023/38)

(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: 18.03.2022 US 202263321629 P (71) Applicant: Laws, Alexander D. Corvallis, OR 97330 (US)	(72) Inventors: THAMMASOUK, Khampeng Corvallis, OR 97330 (US) ABBOTT, James, E. Corvallis, OR 97330 (US) LAWS, Alexander, D. Corvallis, OR 97330 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)