Single-slot tubular cathode

Abstract

Claims

The ornamental design for a single-slot tubular cathode substantially as shown and described.

Description

(1) FIG. 1 is a first isometric view of a single-slot tubular cathode showing the new design;

(2) FIG. 2 is a second isometric view thereof;

(3) FIG. 3 is a top view thereof;

(4) FIG. 4 is a bottom view thereof;

(5) FIG. 5 is a first side view thereof;

(6) FIG. 6 is a second side view thereof;

(7) FIG. 7 is a first end view thereof; and,

(8) FIG. 8 is a second end view thereof.

(9) The broken lines illustrate the environmental structure and form no part of the claimed design.