Patent
   D307187
Priority
Sep 02 1988
Filed
Sep 02 1988
Issued
Apr 10 1990
Expiry
Apr 10 2004
Assg.orig
Entity
unknown
8
4
n/a
The ornamental design for a work platform for extension ladders, as shown and described.

FIG. 1 is a front elevational view of a work platform for extension ladders showing my new design;

FIG. 2 is a rear elevational view 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 perspective view thereof.

Schaf, Bernard

Patent Priority Assignee Title
10406964, Mar 22 2017 Stake pocket tie down
10619416, Oct 25 2017 Attachment for an extension ladder
8925685, Feb 17 2012 Shelf apparatus for use with a ladder and scaffold
D340291, Jul 12 1991 WERNER TECHNOLOGIES, INC Ladder pail shelf
D406357, Jan 17 1997 Stair carpet cleaner caddy
D523156, Jan 28 2005 Ladder platform
D685110, May 01 2012 RCL Enterprises, LLC Scaffolding tray
D717969, Mar 11 2013 Lock N Climb, LLC Foot platform
Patent Priority Assignee Title
1494107,
2641511,
2732264,
2806642,
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule