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(11)

EP 3 475 928 A1

(12)

(43) Date of publication: 01.05.2019 Bulletin 2019/18 (21) Application number: 17821131.4 (22) Date of filing: 28.06.2017

(51) International Patent Classification (IPC):  G08B 17/103(2006.01) G08B 17/10(2006.01) G08B 17/00(2006.01) G08B 17/107(2006.01) (86) International application number: PCT/US2017/039691 (87) International publication number: WO 2018/005616 (04.01.2018 Gazette 2018/01)

(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: MA MD (30) Priority: 28.06.2016 US 201615194878 (71) Applicant: Smoke Detective, LLC Pittsburgh, PA 15222 (US)	(72) Inventors: MILLS, Russell P. Coraopolis, PA 15108 (US) ROHDE, Gustavo K Pittsburgh, PA 15232 (US) LANNI, Frederick Pittsburgh, PA 15217 (US) DAVIS, Stephen C. Allison Park, PA 15101 (US) (74) Representative: Sarpi, Maurizio et al Studio Ferrario S.r.l. Via Collina, 36 00187 Roma 00187 Roma (IT)