The ornamental design for a headset, as shown and described.
FIG. 1 is front perspective view of a headset showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a rear perspective view thereof.
The broken line showing of the environmental structures in FIGS. 3, 6, 7, and 8 is for illustrative purposes and defines the bounds of the claimed design and forms no part thereof.
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED ON REEL 034471 FRAME 0075 ASSIGNOR S HEREBY CONFIRMS THE CORRECT ADDRESS IS KEILALAHDENTIE 2-4