Light tube
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The portions of the Figures shown in broken lines are for illustrative purposes only and form no part of the claimed design. The area between the symbols which indicate that the tube is broken away form no part of the claimed design.
Claims
We claim the ornamental design for a light tube, as shown and described.
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Type: Grant
Filed: Apr 7, 2017
Date of Patent: Dec 18, 2018
Assignee: ERICSON MANUFACTURING CO. (Willoughby, OH)
Inventors: John E. Ericson, Jr. (Chagrin Falls, OH), Ronald W. Hughes (Thompson, OH), Jeffrey R. Angle (Newbury, OH)
Primary Examiner: Brian N. Vinson
Application Number: 29/599,961