Patent
   D819229
Priority
Mar 16 2016
Filed
Mar 16 2016
Issued
May 29 2018
Expiry
May 29 2033
Assg.orig
Entity
unknown
8
9
n/a
The ornamental design for folding stairs, as shown and described.

FIG. 1 is a front perspective view of a folding stairs showing my new design in an open position;

FIG. 2 is a-rear perspective view thereof, in an open position;

FIG. 3 is a front elevational view thereof, in an open position;

FIG. 4 is a rear elevational view thereof, in an open position;

FIG. 5 is a left side elevational view thereof, in an open position;

FIG. 6 is a perspective view thereof, in a folded position;

FIG. 7 is a top plan view thereof, in a folded position;

FIG. 8 is a side elevational view thereof, in a folded position; and,

FIG. 9 is a bottom plan view thereof, in a folded position.

The evenly spaced dash-dot broken lines on the side rails and steps shown in FIGS. 1-3 and 6-9 represent contours and are part of the claimed design.

The broken lines shown in the figures are included for the purpose of illustrating portions of the folding stairs and form no part of the claimed design.

Murphy, Thomas, King, David, Hoffman, Patrick

Patent Priority Assignee Title
D962681, Oct 01 2020 Display riser stand
D978460, Nov 17 2022 Pet step
D978461, Nov 17 2022 Pet step
D979162, Nov 17 2022 Pet step
ER4224,
ER6364,
ER8512,
ER9500,
Patent Priority Assignee Title
5505476, Aug 23 1993 VT HOLDINGS II, INC Triple manual folding steps
5941342, Jul 07 1997 APC Industrial Co., Ltd. Folding staircase
8668216, Mar 17 2008 Barjoh Pty, Ltd Access system and device for vehicles, and modes of employment thereof
20070289556,
20080157500,
20090211845,
D449895, Dec 19 2000 9213-4550 QUEBEC INC ; 180588 CANADA INC Combined swimming pool steps and ladder
D698463, Jun 05 2012 Night and Day Furniture LLC Bunk bed stair
D742079, Jun 03 2014 Vermont Juvenile Furniture Mfg., Inc. L-shaped stair unit
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Mar 16 2016Radio Systems Corporation(assignment on the face of the patent)
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