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EP 3 843 978 A1

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(43) Date of publication: 07.07.2021 Bulletin 2021/27 (21) Application number: 19856250.6 (22) Date of filing: 01.09.2019

(51) International Patent Classification (IPC):  B29C 64/153(2017.01) B29C 67/04(2017.01) B33Y 10/00(2015.01) B33Y 50/02(2015.01) B29C 64/268(2017.01) B22F 3/10(2006.01) B33Y 30/00(2015.01) (86) International application number: PCT/US2019/049251 (87) International publication number: WO 2020/047526 (05.03.2020 Gazette 2020/10)

(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: 01.09.2018 US 201862726234 P (71) Applicant: Nuburu, Inc. Centennial, CO 80112 (US)	(72) Inventors: ZEDIKER, Mark Castle Rock, CO 80104 (US) SA, Matthew Silva Parker, CO 80138 (US) PELAPRAT, Jean-Michel Saratoga, CA 95070 (US) FINUF, Mathew Castle Rock, CO 80108 (US) FRITZ, Robert D. Aurora, CO 80016 (US) (74) Representative: btb IP Bungartz Baltzer Partnerschaft mbB Patentanwälte  Im Mediapark 6A 50670 Köln 50670 Köln (DE)