(19)

(11)

EP 2 342 393 A2

(12)

(88) Date of publication A3: 08.07.2010 (43) Date of publication: 13.07.2011 Bulletin 2011/28 (21) Application number: 09820981.0 (22) Date of filing: 24.09.2009

(51) International Patent Classification (IPC):  E04B 9/18(2006.01) E04B 9/28(2006.01) (86) International application number: PCT/US2009/058128 (87) International publication number: WO 2010/044996 (22.04.2010 Gazette 2010/16)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 16.10.2008 US 252382 (71) Applicant: USG Interiors, Inc. Chicago, IL 60661-3676 (US)	(72) Inventor: BANKSTON, John, D. Amherst, OH 44001 (US) (74) Representative: Carpmael, Robert Maurice Charles  Marks & Clerk LLP 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)