Guardrail

- Caterpillar Inc.
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Description

FIG. 1 is a front perspective view of a guardrail thereof showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is rear perspective view thereof;

FIG. 9 is a front perspective view of a second embodiment thereof;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a top view thereof;

FIG. 15 is a bottom view thereof; and,

FIG. 16 is rear perspective view thereof.

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.

Referenced Cited
U.S. Patent Documents
365099 June 1887 Richart
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519573 May 1894 Hamilton
2106602 January 1938 Hunter
2834621 May 1958 Schroer
3389931 June 1968 St John
3472489 October 1969 Baylin
4086728 May 2, 1978 Fosseen
4266318 May 12, 1981 Dauwalder
4334671 June 15, 1982 De Guise
D292614 November 3, 1987 Nilsson
4789138 December 6, 1988 Acton
5649688 July 22, 1997 Baker
6796101 September 28, 2004 Chen
D548363 August 7, 2007 Hein
D551774 September 25, 2007 McGinness
D562992 February 26, 2008 Szczekocki
8561969 October 22, 2013 Daniel
D756256 May 17, 2016 Hinebaugh et al.
D791341 July 4, 2017 Bevis
20080135823 June 12, 2008 Amendola
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Foreign Patent Documents
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1387 019 February 2004 EP
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Other references
  • Komat'Su PC1250/1250SP-8 Backhoe and PC1250-8 Loading Shovel, available at least as early as Dec. 31, 2015.
  • Screenshot of ladder components from Rail Exchange, Inc., http://www.railexchangeinc.com/ladders.php.
Patent History
Patent number: D819226
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
Classifications
Current U.S. Class: Railing Unit Or Fence (D25/38.1)