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Patent
   D500861
Priority
Mar 26 2004
Filed
Mar 26 2004
Issued
Jan 11 2005
Expiry
Jan 11 2019
Inventors
Westby, Ri…
Assg.orig
ALLWOOD ST…
Assg.curr
Allwood St…
Entity
unknown
Referenced by
4
References
2
Maint.:
n/a
The ornamental design for a step riser, as shown and described.

FIG. 1 is a top-front perspective view showing our new design;

FIG. 2 is a bottom-front perspective view thereof; and,

FIG. 3 is a front elevational view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design.
INVENTORS:

Westby, Richard J., Odunsi, Kehinde

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
ER7151,
ER7453,
ER8056,
ER8098,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
6230454, Jan 14 1999 Universal modular tread and riser unit
D424707, Mar 11 1999 Step riser
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 24 2004WESTBY, RICHARD J ALLWOOD STILLWELL STAIRS & RAILINGS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0152220738 pdf
Mar 24 2004ODUNSI, KEHINDEALLWOOD STILLWELL STAIRS & RAILINGS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0152220738 pdf
Mar 26 2004Allwood Stillwill Stairs & Railings, Inc.(assignment on the face of the patent)
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