Cryogenic cooling apparatus

[0001]FIG. 1 is a top front perspective view of a cryogenic cooling apparatus showing a fully assembled first embodiment of our new and ornamental design;

[0002]FIG. 2 is a front elevation view thereof;

[0003]FIG. 3 is a rear elevation view thereof;

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

[0005]FIG. 5 is an opposite side view thereof

[0006]FIG. 6 is top plan view thereof;

[0007]FIG. 7 is a bottom plan view thereof;

[0008]FIG. 8 is a top front perspective view of a cryogenic cooling apparatus showing a detached and unassembled second embodiment of our new and ornamental design;

[0009]FIG. 9 is a front elevation view thereof;

[0010]FIG. 10 is a rear elevation view thereof;

[0011]FIG. 11 is a side elevation view thereof;

[0012]FIG. 12 is an opposite side view thereof

[0013]FIG. 13 is top plan view thereof;

[0014]FIG. 14 is a bottom plan view thereof;

[0015]FIG. 15 is a top front perspective view of a cryogenic cooling apparatus showing a fully assembled third embodiment of our new and ornamental design;

[0016]FIG. 16 is a front elevation view thereof;

[0017]FIG. 17 is a rear elevation view thereof;

[0018]FIG. 18 is a side elevation view thereof;

[0019]FIG. 19 is an opposite side view thereof

[0020]FIG. 20 is top plan view thereof;

[0021]FIG. 21 is a bottom plan view thereof;

[0022]FIG. 22 is a top front perspective view of a cryogenic cooling apparatus showing a fully assembled fourth embodiment of our new and ornamental design;

[0023]FIG. 23 is a front elevation view thereof;

[0024]FIG. 24 is a rear elevation view thereof;

[0025]FIG. 25 is a side elevation view thereof;

[0026]FIG. 26 is an opposite side view thereof

[0027]FIG. 27 is top plan view thereof; and,

[0028]FIG. 28 is a bottom plan view thereof.

[0029]The portions of the cryogenic cooling apparatus shown in broken lines in the figures attached hereto form no part of the claimed design. The brackets included in the drawings show elements of the claimed design where the top and bottom of the cryogenic cooling apparatus are separated from each other.