Patent
   D392744
Priority
Jul 02 1996
Filed
Aug 20 1996
Issued
Mar 24 1998
Expiry
Mar 24 2012
Assg.orig
Entity
unknown
10
4
n/a
The ornamental design for a portable utility ladder, as shown and described .

FIG. 1 is a front right perspective view of a portable utility ladder showing the new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a side elevation view thereof; and,

FIG. 4 is a front left perspective view of the ladder in a partially collapsed position.

Staal, Brian

Patent Priority Assignee Title
6347687, Sep 16 1999 PT INDAL ALUMINUM INDUSTRY TBK Compact collapsible step ladder
8844674, Aug 19 2011 Assault ladder
D467667, Oct 06 1999 PT INDAL ALUMINUM INDUSTRY TBK Portion of step ladder
D497588, Mar 08 2004 Luggage carrier for a motor vehicle trunk
D535757, Dec 30 2005 Two-component ladder
D601719, Jun 03 2009 Ladder
D797314, Aug 06 2016 EBSCO Industries, Inc. Ladder
D832760, May 18 2017 ROAMBUILT LLC Vehicle ladder
D845853, Apr 04 2018 ROAMBUILT LLC Vehicle ladder
D908924, May 14 2019 WERNER CO Multipurpose ladder
Patent Priority Assignee Title
4182431, Mar 13 1978 WEST ONE BANK, UTAH Combination extension and step ladder rungs therefor
4613013, Sep 13 1984 GREYWELL MILL LIMITED Suspension ladder
5086872, May 24 1991 Alfa Metal Corp. Foldable ladder
179892,
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