Observation chair

FIG. 1 is an isometric view of an embodiment of the design;

FIG. 2 is a right elevation view of the embodiment of FIG. 1 ;

FIG. 3 is a left elevation view of the embodiment of FIG. 1 ;

FIG. 4 is a front elevation view of the embodiment of FIG. 1 ;

FIG. 5 is a rear elevation view of the embodiment of FIG. 1 ;

FIG. 6 is a top view of the embodiment of FIG. 1 ;

FIG. 7 is a bottom view of the embodiment of FIG. 1 ;

FIG. 8 is an isometric view of another embodiment of the design;

FIG. 9 is a right elevation view of the embodiment of FIG. 8 ;

FIG. 10 is a left elevation view of the embodiment of FIG. 8 ;

FIG. 11 is a front elevation view of the embodiment of FIG. 8 ;

FIG. 12 is a rear elevation view of the embodiment of FIG. 8 ;

FIG. 13 is a top view of the embodiment of FIG. 8 ; and,

FIG. 14 is a bottom view of the embodiment of FIG. 8 .

The broken lines in the drawings are included for the purpose of illustration and form no part of the claimed design.