Telescoping ladder leg extender having mated toothed elements and self-leveling foot for uneven terrain

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Description

FIG. 1 is a perspective view of a telescoping ladder leg extender having mated toothed elements and self-leveling foot for eneven terrain showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a reduced front elevational view showing the telescoping ladder leg extender having mated toothed elements and self-leveling foot for eneven terrain in use.

The broken lines depict environmental structure and form no part of the claimed design.

Claims

We claim the ornamental design for a telescoping ladder leg extender having mated toothed elements and self-leveling foot for uneven terrain, as shown and described.

Referenced Cited
U.S. Patent Documents
1246709 November 1917 Brown
1329740 February 1920 Barron
2147052 February 1939 Noone
3233702 February 1966 Feltrop
3554321 January 1971 Stedman
4249638 February 10, 1981 Fernandez
4457397 July 3, 1984 Scala
4683980 August 4, 1987 Vayko
4807720 February 28, 1989 Kim
5044468 September 3, 1991 Worthington, Jr.
D380277 June 24, 1997 Bonn et al.
D419243 January 18, 2000 Goch
Patent History
Patent number: D479339
Type: Grant
Filed: Dec 10, 2002
Date of Patent: Sep 2, 2003
Inventors: Arnold C. McDonald (Chester, CA), Theresa S. McDonald (Chester, CA)
Primary Examiner: Doris Clark
Attorney, Agent or Law Firm: Donald R. Schoonover
Application Number: 29/172,265
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68)
International Classification: 2504;