Patent
   D426896
Priority
Nov 02 1999
Filed
Nov 02 1999
Issued
Jun 20 2000
Expiry
Jun 20 2014
Assg.orig
Entity
unknown
10
3
n/a
The ornamental design for a ladder rung expander, as shown and described.

The claimed design relates, in general, to an article for being inserted into the space between the sidepieces of a ladder and supported on top of a rug of the ladde to effectively increase hte support area of a rung of a ladder to either support the feet of a worker on the ladder or support the like.

FIG. 1 is a perspective view of a ladder rung expander, showing a preferred embodiment of the new design.

FIG. 2 is a front elevational view of the ladder rung expander of FIG. 1.

FIG. 3 is a rear elevational view of the ladder rung expander of FIG. 1.

FIG. 4 is a top plan view of the ladder rung expander of FIG. 1.

FIG. 5 is a bottom plan view of the ladder rung expander of FIG. 1.

FIG. 6 is a right end elevational view of the ladder rung expander of FIG. 1.

FIG. 7 is a left end elevational view of the ladder rung expander of FIG. 1.

FIG. 8 is a somewhat diagrammatic front elevational view of the ladder rung expander of FIG. 1, showing the ladder rung expander being inserted between the sidepieces and onto a rung of a ladder.

FIG. 9 is a somewhat diagrammatic front elevational view of the ladder rung expander of FIG. 1, showing the ladder rung expander inserted between the sidepieces and on a rung of a ladder; and,

FIG. 10 is a somewhat diagrammatic sectional view as taken on line 10--10 of FIG. 9.

The broken lines showing a ladder is for illustrative purposes only and form no part of the claimed design.

Brown, Earl B.

Patent Priority Assignee Title
10012022, Jan 05 2017 STENTIFORD SAFETY SERVICES, LLC Step adaptor for transitioning between sections of an extension ladder
11021316, Apr 12 2019 International Paper Company Pallet stabilizer
11125016, Mar 22 2017 FORMETCO, INC Ladder support attachment
11142950, Jan 31 2019 Removably attachable platform device
9777535, Jan 05 2017 STENTIFORD SAFETY SERVICES, LLC Step adaptor for transitioning between sections of an extension ladder
D880008, Mar 21 2018 FORMETCO, INC Ladder stabilizer
D919923, Apr 12 2019 International Paper Company Pallet stabilizer
D925157, Apr 12 2019 International Paper Company Pallet stabilizer
D933472, Apr 12 2019 International Paper Company Blank for a pallet stabilizer
D975540, Apr 12 2019 International Paper Company Blank for a pallet stabilizer
Patent Priority Assignee Title
4241807, Nov 17 1978 MacStep Co., Inc. Step attachment for ladders
5465809, Aug 08 1994 Safety platform attachment apparatus
D409765, Apr 03 1998 Ladder step extender
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule