Ladder side rail top extension set

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Description

FIG. 1 is a left side perspective view of left and right ladder side rail top extension embodying our new design with a ladder represented in dotted lines for illustrative purposes;

FIG. 2 is a right side perspective view of the showing in FIG. 1;

FIG. 3 is a left side view of a left ladder side rail top extension set embodying our new design;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof; the the right ladder side rail top extension set is a mirror image of the left ladder side rail top extension set and the dotted line representations form no part of the claimed design.

Claims

The ornamental design for a ladder top side rail extension set, as shown and described.

Referenced Cited
U.S. Patent Documents
D181617 December 1957 Allison
3059721 October 1962 Straw
3853202 December 1974 Jarboe
4179011 December 18, 1979 Morawski
4293055 October 6, 1981 Hooser
4369860 January 25, 1983 Beane
4434871 March 6, 1984 Niedworok
4444291 April 24, 1984 McPherson
4548293 October 22, 1985 Haab
4600079 July 15, 1986 McBride
5012895 May 7, 1991 Santos
5242031 September 7, 1993 Ashley
5333323 August 2, 1994 Aymea
5341899 August 30, 1994 Casamento
D364930 December 5, 1995 Burge et al.
5509500 April 23, 1996 Delagera
5628381 May 13, 1997 Markovich et al.
5743356 April 28, 1998 Mitchell
D402046 December 1, 1998 Lal
5941343 August 24, 1999 Kelsey
6095283 August 1, 2000 Ellis
Patent History
Patent number: D537958
Type: Grant
Filed: Jun 1, 2006
Date of Patent: Mar 6, 2007
Inventors: Bruce D. Clark (Maple Plain, MN), Frederick G. Feik (Maple Plain, MN)
Primary Examiner: Doris Clark
Attorney: Westman, Champlin & Kelly, P.A.
Application Number: 29/260,804
Classifications