Molded plastic arch unit for a culvert or bridge

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Description

FIG. 1 is a perspective view of a molded plastic arch unit for a culvert or bridge showing our new design;

FIG. 2 is a side view, the opposite side view being a mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is an end view thereof; and,

FIG. 6 is an opposite end view.

Claims

The ornamental design for a molded plastic arch unit for a culvert or bridge, as shown and described.

Referenced Cited
U.S. Patent Documents
1013440 January 1912 Rankin et al.
1040442 October 1912 Shannon
3505765 April 1970 Blaski
4527319 July 9, 1985 Rosenbaum et al.
4650369 March 17, 1987 Thomas et al.
5385423 January 31, 1995 Abukawa
5720577 February 24, 1998 Sanders et al.
6361248 March 26, 2002 Maestro
D465545 November 12, 2002 Maestro
6474907 November 5, 2002 Semotiuk et al.
6595722 July 22, 2003 McCavour
6612777 September 2, 2003 Maestro
D484609 December 30, 2003 Harrington et al.
6854925 February 15, 2005 DiTullio
7052209 May 30, 2006 Kruger et al.
Patent History
Patent number: D566852
Type: Grant
Filed: Jul 21, 2006
Date of Patent: Apr 15, 2008
Inventors: Ivan Gaster (Union, OH), Barry C. Nybo (Coquitlam, British Columbia)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Kathleen Sims
Attorney: Jacox, Meckstroth & Jenkins
Application Number: 29/263,326
Classifications
Current U.S. Class: Structure (D25/1)