(19)

(11)

EP 1 943 393 A2

(12)

(43) Date of publication: 16.07.2008 Bulletin 2008/29 (21) Application number: 06816137.1 (22) Date of filing: 04.10.2006

(51) International Patent Classification (IPC):  E04B 1/82(2006.01) E04B 1/84(2006.01) (86) International application number: PCT/US2006/038653 (87) International publication number: WO 2007/055835 (18.05.2007 Gazette 2007/20)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 04.11.2005 US 267125 (71) Applicant: USG INTERIORS, Inc. Chicago, IL 60661-3676 (US)	(72) Inventor: BAIG, Mirza, A. Lindenhurst, IL 60046 (US) (74) Representative: Wallinger, Michael et al Wallinger Ricker Schlotter Foerstl Patent- und Rechtsanwälte Zweibrückenstrasse 5-7 80331 München 80331 München (DE)