Patent
   D479339
Priority
Dec 10 2002
Filed
Dec 10 2002
Issued
Sep 02 2003
Expiry
Sep 02 2017
Assg.orig
Entity
unknown
5
12
n/a
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.

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.

McDonald, Arnold C., McDonald, Theresa S.

Patent Priority Assignee Title
11492848, Aug 19 2017 Ladder stabilizer and leveler
7036633, Oct 29 2003 Quick release for ladder levelers
8863902, Oct 29 2003 Ladder accessory quick-mounting base with guide lips
D779308, Dec 13 2011 SolarCity Corporation Leveling foot
D803664, Dec 13 2011 TESLA, INC Leveling foot
Patent Priority Assignee Title
1246709,
1329740,
2147052,
3233702,
3554321,
4249638, Dec 26 1979 Ladder extension apparatus
4457397, Nov 10 1981 Platform for stairs
4683980, Apr 14 1986 Ladder-leveling device
4807720, Jan 15 1988 Ladder leveling attachment
5044468, Nov 09 1990 Worthington-Kemp Ladder leveling device
D380277, Oct 30 1995 Ladder extension
D419243, Apr 08 1999 Ladder leg extension
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