Patent
   D424211
Priority
Apr 30 1998
Filed
Apr 30 1998
Issued
May 02 2000
Expiry
May 02 2014
Assg.orig
Entity
unknown
0
3
n/a
The ornamental design for a roof ladder, as shown and described.

FIG. 1 is a view of the front face of the roof ladder;

FIG. 2 is a view of the rear face of the roof ladder;

FIG. 3 is a view of the right face of the roof ladder;

FIG. 4 is a view of the left face of the roof ladder;

FIG. 5 is a view of the top face of the roof ladder;

FIG. 6 is a view of the bottom face of the roof ladder; and,

FIG. 7 is an isometric view of the roof ladder.

Smith, James D.

Patent Priority Assignee Title
Patent Priority Assignee Title
4632219, Aug 12 1985 Roof ladder
4923049, Mar 29 1989 Wing extension for roof ladder
D372987, Aug 04 1995 Ladder
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule