Cryogenic Refrigerator

FIG. 1 is a fully assembled perspective view of a cryogenic refrigerator showing our new and ornamental design; FIG. 2 is a top plan view of FIG. 1 ; FIG. 3 is a bottom plan view of FIG. 1 ; FIG. 4 is a rear elevation view of FIG. 1 ; FIG. 5 is a front elevation view of FIG. 1 ; FIG. 6 is a left side view of FIG. 1 ; FIG. 7 is a right side view of FIG. 1 ; FIG. 8 is an exploded perspective view of a cryogenic refrigerator showing our new and ornamental design; FIG. 9 is a top plan view of FIG. 8 ; FIG. 10 is a bottom plan view of FIG. 8 ; FIG. 11 is a rear elevation view of FIG. 8 ; FIG. 12 is a front elevation view of FIG. 8 ; FIG. 13 is a left side view of FIG. 8 ; and, FIG. 14 is a right side view of FIG. 8 .