(19)
(11) EP 2 971 391 A1

(12)

(43) Date of publication:
20.01.2016 Bulletin 2016/03

(21) Application number: 14716720.9

(22) Date of filing: 14.03.2014
(51) International Patent Classification (IPC): 
E04B 1/84(2006.01)
E04C 2/04(2006.01)
(86) International application number:
PCT/US2014/027518
(87) International publication number:
WO 2014/143660 (18.09.2014 Gazette 2014/38)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 15.03.2013 US 201313832107
20.12.2013 US 201314135821

(71) Applicant: USG Interiors, LLC
Chicago, IL 60661-3676 (US)

(72) Inventors:
  • DUGAN, Erin
    Grayslake, IL 60030 (US)
  • MIKLOSZ, Mark
    Western Springs, IL 60558 (US)
  • BURY, Rafael
    Wheeling, IL 60090 (US)
  • YEUNG, Lee, K.
    Vernon Hills, IL 60061 (US)
  • FRANK, William, A.
    Lake Villa, IL 60061 (US)
  • GULBRANDSEN, Peder, J.
    Aurora, IL 60503 (US)

(74) Representative: BRP Renaud & Partner mbB Rechtsanwälte Patentanwälte Steuerberater 
Königstraße 28
70173 Stuttgart
70173 Stuttgart (DE)

   


(54) GYPSUM-PANEL ACOUSTICAL MONOLITHIC CEILING