The present application relates to U.S. Design patent application Ser. No. 29/375,649 filed Sep. 24, 2010, entitled Case with Metal Back for a Cord Management System; U.S. Design patent application Ser. No. 29/375,651 filed Sep. 24, 2010, entitled Case with Metal Back for a Cord Management System; U.S. Design patent application Ser. No. 29/376,041 filed Sep. 30, 2010, entitled Case with Metal Back for a Cord Management System; U.S. Design patent application Ser. No. 29/385,172 filed Feb. 9, 2011, entitled Case with a Thermochromic Back; U.S. Design patent application Ser. No. 29/385,174 filed Feb. 9, 2011, entitled Case with a Thermochromic Back; U.S. Design patent application Ser. No. 29/385,175 filed Feb. 9, 2011, entitled Case with a Thermochromic Back; U.S. Design patent application Ser. No. 29/378,110 filed Oct. 29, 2010, entitled Case with Metal Back and Framed Front for a Cord Management System; U.S. Design patent application Ser. No. 29/378,118 filed Oct. 29, 2010, entitled Case with Metal Back and Framed Front for a Cord Management System; U.S. Design patent application Ser. No. 29/378,119 filed Oct. 29, 2010, entitled Case with Metal Back and Framed Front for a Cord Management System; U.S. Design patent application Ser. No. 29/377,918 filed Oct. 27, 2010, entitled Case with Combined Metal and Plastic Back for a Cord Management System; U.S. Design patent application Ser. No. 29/377,919 filed Oct. 27, 2010, entitled Case with Combined Metal and Plastic Back for a Cord Management System; U.S. Design patent application Ser. No. 29/377,921 filed Oct. 27, 2010, entitled Case with Combined Metal and Plastic Back for a Cord Management System; U.S. Design patent application Ser. No. 29/376,257 filed Oct. 4, 2010, entitled Case with Metal Back and Band Edge for a Cord Management System; U.S. Design patent application Ser. No. 29/376,428 filed Oct. 6, 2010, entitled Case with Metal Back and Band Edge for a Cord Management System; U.S. Design patent application Ser. No. 29/376,430 filed Oct. 6, 2010, entitled Case with Metal Back and Band Edge for a Cord Management System; and U.S. Design patent application Ser. No. 29/382,637 filed Jan. 5, 2011, entitled Case with Metal Back and Band Edge for a Cord Management System.

FIG. 1 is a rear perspective view of a first embodiment of our new design for a case with metal back for a cord management system;

FIG. 2 is a rear perspective view of a second embodiment of our new design for a case with metal back for a cord management system;

FIG. 3 is a rear view of a third embodiment of our new design for a case with metal back for a cord management system;

FIG. 4 is a first side view of Embodiments 1 and 4 through 14;

FIG. 5 is a first side view of Embodiments 2 and 3;

FIG. 6 is a second side view of Embodiments 1 and 4 through 14;

FIG. 7 is a second side view of Embodiments 2 and 3;

FIG. 8 is a top view of Embodiments 1 and 4 through 14;

FIG. 9 is a top view of Embodiment 2;

FIG. 10 is a top view of Embodiment 3;

FIG. 11 is a bottom view of Embodiments 1 and 4 through 14;

FIG. 12 is a bottom view of Embodiment 2;

FIG. 13 is a bottom view of Embodiment 3;

FIG. 14 is a rear view of Embodiments 1 and 2;

FIG. 15 is a rear view of Embodiment 3;

FIG. 16 is a front perspective view of Embodiments 1 and 4 through 14;

FIG. 17 is a front view of Embodiments 1, 2, and 4 through 14;

FIG. 18 is a front view of Embodiment 3;

FIG. 19 is a front perspective view of Embodiments 1 and 4 through 14, illustrating these embodiments in a state of use in conjunction with an unclaimed object;

FIG. 20 is a rear perspective view of Embodiment 1, illustrating this embodiment in a state of use in conjunction with two unclaimed objects;

FIG. 21 is a rear perspective view of Embodiment 1, illustrating this embodiment in a state of use in conjunction with three unclaimed objects;

FIG. 22 is another rear perspective view of Embodiment 1, illustrating this embodiment in a state of use in conjunction with three unclaimed objects;

FIG. 23 is a rear perspective view of Embodiment 4, wherein the back panel is orange;

FIG. 24 is a rear perspective view of Embodiment 5, wherein the back panel is green;

FIG. 25 is a rear perspective view of Embodiment 6, wherein the back panel is blue;

FIG. 26 is a rear perspective view of Embodiment 7, wherein the back panel is purple;

FIG. 27 is a rear perspective view of Embodiment 8, wherein the back panel is white.

FIG. 28 is a rear perspective view of Embodiment 9, wherein the back panel is black;

FIG. 29 is a rear perspective view of Embodiment 10, wherein the back panel is gray;

FIG. 30 is a rear perspective view of Embodiment 11, wherein the back panel is pink;

FIG. 31 is a rear perspective view of Embodiment 12, wherein the back panel is silver;

FIG. 32 is a rear perspective view of Embodiment 13, wherein the back panel is red;

FIG. 33 is a rear perspective view of Embodiment 14, wherein the back panel is an unpainted metal such that its color is metallic natural-silver;

FIG. 34 is an exploded rear perspective view of Embodiment 1;

FIG. 35 is an exploded rear perspective view of Embodiment 2; and,

FIG. 36 is an exploded rear perspective view of Embodiment 3.

In drawing FIGS. 23-26 and 28-32, the back panel of the case is lined for color.

In FIGS. 19-22, the broken lines depict unclaimed environment. In FIG. 19, the entire unshaded region within the front opening of the case is unclaimed environment. In FIGS. 34-36, the broken lines represent the paths along which the components of the case are exploded from each other. The broken lines and unshaded surfaces bounded by broken lines form no part of the claimed design.