Beam

FIG. 1 is a perspective view of a beam showing my design; FIG. 2 a front view of FIG. 1 ; FIG. 3 is a rear view of FIG. 1 ; FIG. 4 is a left view of FIG. 1 ; FIG. 5 is a right view of FIG. 1 ; FIG. 6 is a top plan view of FIG. 1 ; and, FIG. 7 is a bottom plan view of FIG. 1 . The beam is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines in FIGS. 1 - 3 and 6 - 7 forms no part of the claimed design.