The ornamental design for a weldingvisor, as shown and described.
FIG. 1 is a first perspective view of a welding visor according to one embodiment of the invention.
FIG. 2 is a front view of the welding visor of FIG. 1.
FIG. 3 is a rear view of the welding visor of FIG. 1.
FIG. 4 is a right side view of the welding visor of FIG. 1.
FIG. 5 is a left side view of the welding visor of FIG. 1.
FIG. 6 is a top view of the welding visor of FIG. 1; and,
FIG. 7 is a bottom view of the welding visor of FIG. 1.
The broken lines showing portions of the rear side of the visor are included for the purpose of illustrating a portion of the welding visor that form no part of the claimed design.