Patent ID: 6874291

Claim:
A universal structural element system comprising: (a) a plurality of universal structural elements, each universal structural element comprising: (i) a body having at least one longitudinal side and at least two end sides ( 3 ); (ii) an undercut groove in at least one of said at least one longitudinal side; (iii) an undercut groove in at least one of said at least two end sides ( 3 ); and (iv) said undercut grooves preferably have the same cross-section; (b) at least one double sided connector ( 5 ), each side of said at least one double sided connector ( 5 ) suitable for interconnecting with said undercut grooves; (c) a first of said plurality of universal structural elements ( 1 ) operatively connected to a second of said plurality of universal structural elements ( 1 ) by means of said at least one double sided connector ( 5 ), a first side of said at least one double sided connector ( 5 ) interconnecting with an undercut groove in said first of said plurality of universal structural elements ( 1 ) and a second side of said at least one double sided connector ( 5 ) interconnecting with an undercut groove in said second of said plurality of universal structural elements ( 1 ); and (d) at least one of said at least two end sides ( 3 ) has a plurality of intersecting undercut grooves therein.