(19)

(11)

EP 2 078 122 A2

(12)

(88) Date of publication A3: 19.06.2008 (43) Date of publication: 15.07.2009 Bulletin 2009/29 (21) Application number: 07853672.9 (22) Date of filing: 28.09.2007

(51) International Patent Classification (IPC):  E04C 1/00(2006.01) (86) International application number: PCT/US2007/079829 (87) International publication number: WO 2008/048772 (24.04.2008 Gazette 2008/17)

(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 MT NL PL PT RO SE SI SK TR (30) Priority: 16.10.2006 US 581598 (71) Applicants: Metz, Timothy W. Bellingham WA 98226 (US) Mcconnell, James L. Lake Elsinore CA 92532 (US)	(72) Inventors: Metz, Timothy W. Bellingham WA 98226 (US) Mcconnell, James L. Lake Elsinore CA 92532 (US) (74) Representative: Werner, André  Troesch Scheidegger Werner AG, Schwäntenmos 14 8126 Zumikon 8126 Zumikon (CH)