Back flow valve

Description

[0001] FIG. 1 is a perspective view of a back flow valve showing my new design;

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

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

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

[0005] FIG. 5 is a front elevation view thereof;

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

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

[0008] FIG. 8 is a cut-away view thereof, cut along 8-8 shown in FIG. 1; and,

[0009] FIG. 9 is a cut-away view thereof, cut along 9-9 shown in FIG. 4.

[0010] The broken lines shown are included for the purpose of illustrating the unclaimed portions of the article and form no part of the claim.

Claims

The ornamental design for a back flow valve as shown and described.

Images