The ornamental design for a solid looplifter for concrete structures, as shown and described.
FIG. 1 is a front isometric view of a solid loop lifter;
FIG. 2 is a front elevational view of the solid loop lifter shown in FIG. 1, with the rear elevational view being a mirror image thereof;
FIG. 3 is a side elevational view of the solid loop lifter depicted in FIGS. 1 and 2, with the opposite side elevational view being a mirror image thereof;
FIG. 4 is a top plan view of the solid loop lifter shown in FIGS. 1-3; and,
FIG. 5 is a bottom plan view of the solid loop lifter shown in FIGS. 1-4.
The broken lines immediately adjacent to shaded areas represent the bounds of the claim and all other broken lines are for the purposes of illustrating environment only. None of the broken lines form part of the claimed design.