Patent
   D457650
Priority
Aug 08 2001
Filed
Aug 08 2001
Issued
May 21 2002
Expiry
May 21 2016
Assg.orig
Entity
unknown
6
9
n/a
I claim the ornamental design for an uneven surface ladder, as shown and described.

FIG. 1 is a perspective view of the uneven surface ladder embodying the design of the present invention.

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

MacDuff, Gary W.

Patent Priority Assignee Title
7036633, Oct 29 2003 Quick release for ladder levelers
8863902, Oct 29 2003 Ladder accessory quick-mounting base with guide lips
D535757, Dec 30 2005 Two-component ladder
D658309, Apr 28 2011 Portion of a ladder
D714464, Jan 14 2013 DICK S SPORTING GOODS, INC Hunting ladder
D918425, May 17 2018 Tree ladder
Patent Priority Assignee Title
1329740,
2147052,
3173512,
4249638, Dec 26 1979 Ladder extension apparatus
4683980, Apr 14 1986 Ladder-leveling device
4807720, Jan 15 1988 Ladder leveling attachment
5044468, Nov 09 1990 Worthington-Kemp Ladder leveling device
5335754, Jul 22 1993 Self-levelling ladder
238298,
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