Shoe for retractable ladder leg extension

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Description

FIG. 1 is an isometric view of a shoe for retractable ladder leg extension;

FIG. 2 is an isometric view of the shoe shown in FIG. 1;

FIG. 3 is a front view of the shoe shown in FIG. 1;

FIG. 4 is a rear view of the shoe shown in FIG. 1;

FIG. 5 is a top view of the shoe shown in FIG. 1;

FIG. 6 is bottom view of the shoe shown in FIG. 1;

FIG. 7 is a right view of the shoe shown in FIG. 1; and,

FIG. 8 is a left view of the shoe shown in FIG. 1.

Claims

The ornamental design for a shoe for retractable ladder leg extension, as shown and described.

Referenced Cited
U.S. Patent Documents
544520 August 1895 Reiffenstein
1379808 May 1921 Fies
1973226 September 1934 Rose
2691479 October 1954 Sharp
3456757 July 1969 Sain
3882966 May 1975 Fasano
4415062 November 15, 1983 Shaw
5107958 April 28, 1992 Johnson
5370203 December 6, 1994 Kiska
D359365 June 13, 1995 Greene
D359366 June 13, 1995 Spevak
5678656 October 21, 1997 Lanzafame
6145618 November 14, 2000 Verenski
6408984 June 25, 2002 Cavagnaro
20070246301 October 25, 2007 Shaffer
20080134620 June 12, 2008 Contasti
20150233180 August 20, 2015 Lanzafame
Patent History
Patent number: D831228
Type: Grant
Filed: May 2, 2017
Date of Patent: Oct 16, 2018
Assignee: (Poulsbo, WA)
Inventor: Philip F. Lanzafame (Poulsbo, WA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/602,562
Classifications