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(11)

EP 3 221 635 A1

(12)

(43) Date of publication: 27.09.2017 Bulletin 2017/39 (21) Application number: 15861761.3 (22) Date of filing: 23.11.2015

(51) International Patent Classification (IPC):  F21S 8/04(2006.01) E04B 9/00(2006.01) F21V 21/02(2006.01) (86) International application number: PCT/US2015/000137 (87) International publication number: WO 2016/081019 (26.05.2016 Gazette 2016/21)

(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: 21.11.2014 US 201462082760 P (71) Applicant: Porciatti, Silvio Pembroke, MA 02359 (US)	(72) Inventor: Porciatti, Silvio Pembroke, MA 02359 (US) (74) Representative: Williams Powell  11 Staple Inn London WC1V 7QH London WC1V 7QH (GB)