Grade board skirt

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Description

FIG. 1 is a perspective view of a folded grade board skirt according to the invention with a post, and grade board depicted in phantom and a post sleeve on the post.

FIG. 2 is a perspective view of an unfolded grade board skirt according to the invention.

FIG. 3 is an end elevational view of an unfolded grade board skirt according to the invention.

FIG. 4 is a side elevational view of a grade board skirt according to the invention.

FIG. 5 is a bottom plan view of a grade board skirt according to the invention.

FIG. 6 is a top plan view of a grade board skirt according to the invention; and,

FIG. 7 is a perspective of an unfolded grade board skirt in phantom in the folded disposition and the grade board skirt folded.

Claims

I claim the ornamental design for grade board skirt, as shown.

Referenced Cited
U.S. Patent Documents
2815656 December 1957 Klein et al.
4263762 April 28, 1981 Reed
5462258 October 31, 1995 Gaillard et al.
D402063 December 1, 1998 Dickey
D487317 March 2, 2004 Guertin
Patent History
Patent number: D612073
Type: Grant
Filed: Jun 16, 2009
Date of Patent: Mar 16, 2010
Inventor: David Gruhlke (Zimmerman, MN)
Primary Examiner: Doris Clark
Attorney: Patterson, Thuente, Skaar & Christensen, P.A.
Application Number: 29/338,664