The ornamental design for a cellphonebooth, as shown and described.
FIG. 1 is a perspective view of a cell phone booth in accordance with the present teachings;
FIG. 2 is similar to FIG. 1 and shows a door of the cell phone booth open;
FIG. 3 is a front view of the cell phone booth of FIG. 1;
FIG. 4 is a side view of the cell phone booth of FIG. 1;
FIG. 5 is a side view of the cell phone booth of FIG. 1 and shows the door open;
FIG. 6 is a rear view of the cell phone booth; and,
FIG. 7 is a top view of the cell phone booth with the door open, a bottom view is excluded as the bottom is flat and devoid of surface ornamentation.
The broken lines are for illustrative purposes only and form no part of the claimed design. The “TELEPHONE” text being shown with broken lines is for illustrative purposes only and forms no part of the claimed design.