(19)

(11)

EP 2 678 486 A2

(12)

(88) Date of publication A3: 29.12.2011 (43) Date of publication: 01.01.2014 Bulletin 2014/01 (21) Application number: 11759862.3 (22) Date of filing: 12.02.2011

(51) International Patent Classification (IPC):  E04B 2/00(2006.01) (86) International application number: PCT/US2011/024669 (87) International publication number: WO 2011/119266 (29.09.2011 Gazette 2011/39)

(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 (30) Priority: 13.02.2010 US 705593 (71) Applicants: Baker, Geoffrey Alan Sandisfield, MA 01255 (US) Vitalo, Nicholas G. Albany, N.Y. 12203 (US)	(72) Inventors: Baker, Geoffrey Alan Sandisfield, MA 01255 (US) Vitalo, Nicholas G. Albany, N.Y. 12203 (US) (74) Representative: Chanza Jordan, Dionisio  Plaza Alfonso el Magnanimo, 13 46003 Valencia 46003 Valencia (ES)