Playing field obstacle
Description
The broken lines are included for the purpose of illustrating portions of the playing field obstacle that form no part of the claimed design.
Claims
The ornamental design for a playing field obstacle, as shown and described.
Referenced Cited
U.S. Patent Documents
1007628 | October 1911 | Armstrong |
1266494 | May 1918 | Lakin |
2748256 | May 1956 | Moran |
3552749 | January 1971 | Piggotte |
4215509 | August 5, 1980 | Mariol |
4815784 | March 28, 1989 | Zheng |
4837958 | June 13, 1989 | Radovich |
4869503 | September 26, 1989 | Grasso |
4934938 | June 19, 1990 | Orlandi et al. |
5116273 | May 26, 1992 | Chan |
5397130 | March 14, 1995 | Brown |
5405266 | April 11, 1995 | Frank et al. |
5527185 | June 18, 1996 | Davis |
D405485 | February 9, 1999 | Mathison |
5928093 | July 27, 1999 | Lai |
D414815 | October 5, 1999 | McDonald |
6012994 | January 11, 2000 | Beluse |
6266904 | July 31, 2001 | Zheng |
6347470 | February 19, 2002 | Radovich et al. |
6374530 | April 23, 2002 | Mierau |
6644843 | November 11, 2003 | Chin-Cheng |
6866595 | March 15, 2005 | Elder et al. |
7131917 | November 7, 2006 | Spencer |
20030029074 | February 13, 2003 | Volz |
20030046840 | March 13, 2003 | Evans et al. |
20050032581 | February 10, 2005 | Wagner |
20050159250 | July 21, 2005 | Elder et al. |
Patent History
Patent number: D550313
Type: Grant
Filed: Oct 24, 2006
Date of Patent: Sep 4, 2007
Inventor: James C. Elder (Carrollton, TX)
Primary Examiner: Catherine Tuttle
Attorney: Griggs Bergen LLP
Application Number: 29/249,848
Type: Grant
Filed: Oct 24, 2006
Date of Patent: Sep 4, 2007
Inventor: James C. Elder (Carrollton, TX)
Primary Examiner: Catherine Tuttle
Attorney: Griggs Bergen LLP
Application Number: 29/249,848
Classifications