Shaker flask

[0001]FIG. 1 is a front elevation view of a shaker flask showing our new design;

[0002]FIG. 2 is a cross section view taken along line 2-2 of FIG. 1;

[0003]FIG. 3 is a right-side elevation view thereof;

[0004]FIG. 4 is a rear elevation view thereof;

[0005]FIG. 5 is a left-side elevation view thereof;

[0006]FIG. 6 is a bottom plan view thereof; and,

[0007]FIG. 7 is a bottom perspective view thereof.

[0008]The broken dash lines in the figures depict portions of the article that form no part of the claimed design. Neither the portions of the article shown in broken dash-dot line nor the broken dash-dot lines themselves form any part of the claimed invention.

[0009]The diagonal hatch lines illustrated in the sectioned portions of the article in FIG. 2 represents a cross-section and does not form any part of the claimed design.