Office Chair

FIG. 1 is a front, top, and right perspective view of an office chair showing my new design;

FIG. 2 is a rear, bottom, and left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a front, top, and right perspective view of the office chair in a state of use.

The broken lines in the drawings illustrate the portions of the office chair, which form no part of the claimed design.