Dihedral beam for structural systems

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Description

FIG. 1 is a perspective view of my design for the dihedral beam for structural systems. The beam is broken in the center indicating indefinite length.

FIG. 2 is a front elevation view of dihedral beam for structural systems shown in FIG. 1.

FIG. 3 is further embodiment of my design for a dihedral beam for structural systems. The beam is broken in the center indicating indefinite length; and,

FIG. 4 is a front elevation view of the dihedral beam for structural systems of FIG. 3.

Claims

I claim the ornamental design for dihedral beam for structural systems, as shown and described.

Referenced Cited
U.S. Patent Documents
D260557 September 1, 1981 Bowman
D260684 September 8, 1981 Bowman
5791115 August 11, 1998 Nicolai et al.
Patent History
Patent number: D573725
Type: Grant
Filed: Jan 11, 2006
Date of Patent: Jul 22, 2008
Inventor: Steven I. Iszauk (Monroeville, PA)
Primary Examiner: Doris Clark
Attorney: Matis Baum Rizza O'Connor
Application Number: 29/251,665
Classifications
Current U.S. Class: With Hollow Core (D25/122)