Patent
   D616111
Priority
Dec 23 2009
Filed
Dec 23 2009
Issued
May 18 2010
Expiry
May 18 2024
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for a stairway riser, as shown and described.

FIG. 1 is a left side elevational view, showing a first embodiment of my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a perspective view thereof.

FIG. 8 is a left side elevational view, showing a second embodiment of my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a right side elevational view thereof; and

FIG. 14 is a perspective view thereof.

FIG. 15 is a left side elevational view, showing a third embodiment of my new design;

FIG. 16 is a top plan view thereof;

FIG. 17 is a bottom plan view thereof;

FIG. 18 is a front elevational view thereof;

FIG. 19 is a rear elevational view thereof;

FIG. 20 is a right side elevational view thereof; and,

FIG. 21 is a perspective view thereof.

Ronsheim, Stephen E.

Patent Priority Assignee Title
D714463, Jan 22 2013 Interlocking step
Patent Priority Assignee Title
5799448, Sep 13 1996 Harsco Technologies Corporation Adjustable closed-riser metal staircase system
5806254, May 24 1996 Modular tread and riser unit
6230454, Jan 14 1999 Universal modular tread and riser unit
D607580, Jan 23 2007 Stair support
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