This application is related to the following commonly-owned co-pending design patent applications: “Display and Mask for a Gaming Device,” Ser. No. 29/130,997, “Display and Mask for a Gaming Device,” Ser. No. 29/131,001, “Display and Mask for a Gaming Device,” Ser. No. 29/131,076, “Player Interface and Tray for a Gaming Device,” Ser. No. 29/130,983, “Tray for A Gaming Device,” Ser. No. 29/130,981, “Player Interface With Bolster for a Gaming Device,” Ser. No. 29/130,980, “Plate for a Midsection of a Gaming Device,” Ser. No. 29/130,992, “Top Unit and Base for a Gaming Device,” Ser. No. 29/130,979, and “Gaming Device,” Ser. No. 29/130,996.

FIG. 1 is a front perspective view of a base for top unit of a gaming device showing our new design, that portion of the gaming device shown in phantom is not part of the design sought to be patented and is provided for environmental purposes only;

FIG. 2 is an enlarged perspective view of the top unit base of our design;

FIG. 3 is a right side elevation view of the top unit base, the left side being a mirror image thereof;

FIG. 4 is a top plan view of the top unit base;

FIG. 5 is a front elevational view of the top unit base; and,

FIG. 6 is a back elevational view.