Combustion tube

- Leco Corporation
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Description

FIG. 1 is a perspective view of the combustion tube;

FIG. 2 is a front elevational view of the combustion tube, it being understood that the tube is symmetrical;

FIG. 3 is a top plan view of the combustion tube; and,

FIG. 4 is a bottom plan view o the combustion tube.

Claims

I claim the ornamental design for a combustion tube, as shown.

Patent History
Patent number: D678791
Type: Grant
Filed: Sep 1, 2011
Date of Patent: Mar 26, 2013
Assignee: Leco Corporation (St. Joseph, MI)
Inventor: Gordon C. Ford (St. Joseph, MI)
Primary Examiner: Antoine D Davis
Application Number: 29/400,807
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/103)