Molded plastic arch unit for a culvert or bridge
Description
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
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)