FIG. 1 is a top front isometric view of a sample vessel showing our new design;
FIG. 2 is a top left side isometric view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 3 thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
FIG. 8 is a top plan view thereof;
FIG. 9 is a bottom plan view thereof;
FIG. 10 is a top front isometric view of a second embodiment of a sample vessel showing our new design, with the sample vessel top open;
FIG. 11 is a top left side isometric view thereof;
FIG. 12 is a bottom left side isometric view thereof;
FIG. 13 is a front elevational view thereof;
FIG. 14 is a rear elevational view thereof;
FIG. 15 is a cross-sectional view taken along line 15-15 of FIG. 13 thereof;
FIG. 16 is a right side elevational view thereof;
FIG. 17 is a left side elevational view thereof;
FIG. 18 is a cross-sectional view taken along line 18-18 of FIG. 16 thereof;
FIG. 19 is a top plan view thereof;
FIG. 20 is a bottom plan view thereof;
FIG. 21 is a top front isometric view of a third embodiment of a sample vessel showing our new design, with the sample vessel top closed;
FIG. 22 is a top left side isometric view thereof;
FIG. 23 is a bottom left side isometric view thereof;
FIG. 24 is a front elevational view thereof;
FIG. 25 is a rear elevational view thereof;
FIG. 26 is a cross-sectional view taken along line 26-26 of FIG. 24 thereof;
FIG. 27 is a right side elevational view thereof;
FIG. 28 is a left side elevational view thereof;
FIG. 29 is a cross-sectional view taken along line 29-29 of FIG. 27 thereof;
FIG. 30 is a top plan view thereof; and,
FIG. 31 is a bottom plan view thereof.
Portions of the sample vessel shown in broken line form no part of the claimed design.