Distillation column

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Description

FIG. 1 is a front view of the distillation column of the present invention;

FIG. 2 is a back view of the distillation column of FIG. 1;

FIG. 3 is a side view of the distillation column of FIG. 1, as seen from the left side of FIG. 1;

FIG. 4 is a side view of the distillation column of FIG. 1, as seen from the right side of FIG. 1; and,

FIG. 5 is a perspective view of the distillation column of FIG. 1.

The broken lines showing an exemplary connection fitting is included for contextual purposes and forms no part of the claimed design.

Claims

The ornamental design for a distillation column, as shown.

Referenced Cited
U.S. Patent Documents
4601789 July 22, 1986 Bjorklund
5264117 November 23, 1993 DeLong
5702647 December 30, 1997 Lee et al.
Patent History
Patent number: D718646
Type: Grant
Filed: Aug 28, 2013
Date of Patent: Dec 2, 2014
Inventor: Jonathan P. Overmyer (McHenry, IL)
Primary Examiner: Antoine D Davis
Application Number: 29/465,464