Guardrail
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The dashed broken lines illustrate structure or features which form no part of the claimed design.
The drawings include surface shading which represents contour and not surface ornamentation.
Claims
The ornamental design for a guardrail, as shown and described.
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Type: Grant
Filed: Sep 28, 2016
Date of Patent: May 29, 2018
Assignee: Caterpillar Inc. (Deerfield, IL)
Inventors: Terril J. Johnson (Washington, IL), Robert J. Madera (Lemont, IL)
Primary Examiner: George D. Kirschbaum
Assistant Examiner: Joseph J Kukella
Application Number: 29/579,193