The ornamental design for a handhelduvlamp, as shown and described.
FIG. 1 is a top side perspective view of the handheld UV lamp;
FIG. 2 is a bottom side perspective view of the handheld UV lamp;
FIG. 3 is a front side elevation view of the handheld UV lamp;
FIG. 4 is a back side elevation view of the handheld UV lamp;
FIG. 5 is a is a right side elevation view of the handheld UV lamp;
FIG. 6 is a left side elevation view of the handheld UV lamp;
FIG. 7 is a top plan view of the handheld UV lamp; and,
FIG. 8 is a bottom plan view of the handheld UV lamp.
The broken lines included in all Figures showing the electrical components and screw heads are for the purpose of illustrating a portion of the handheld UV lamp and form no part of the claimed design. All of the broken lines illustrate portions of the handheld UV lamp that form no part of the claimed design.