Patent
   D409120
Priority
Apr 08 1998
Filed
Apr 08 1998
Issued
May 04 1999
Expiry
May 04 2013
Assg.orig
Entity
unknown
14
4
n/a
The ornamental design for a stair chair, as shown.

FIG. 1 is a perspective view of a stair chair illustrating my new design;

FIG. 2 is a front view of the design shown in FIG. 1;

FIG. 3 is a side view of the design of FIG. 1; the opposite side being a mirror image thereof;

FIG. 4 is a top view of the design of FIG. 1;

FIG. 5 is a bottom view of the design of FIG. 1; and,

FIG. 6 is a rear view of the design of FIG. 1.

Aughpin, Richard Andrew

Patent Priority Assignee Title
10857055, Apr 17 2015 GWENVENTIONS, LLC Portable device for facilitating medical examination
6435538, Jul 31 1998 Ferno-Washington, Inc. Stair chair
6644675, Jul 31 1998 Ferno-Washington, Inc. Stair chair
8332977, Mar 03 2009 GWENVENTIONS, LLC Bedside medical examination device
9629772, Apr 17 2015 GWENVENTIONS, LLC Portable device for facilitating medical examination
D430078, Dec 01 1998 Ferno-Washington, Inc.; FERNO-WASHINGTON, INC Fabric chair with three stair climbing wheels
D519064, Oct 20 2004 FERNO-WASHINGTON, INC Stair chair
D615207, Mar 03 2009 GWENVENTIONS, LLC Medical examination cart
D864042, Nov 21 2017 MOBILE STAIR LIFT CORP Electric stair chair
D973554, Jul 25 2021 Electric wheelchair
ER2234,
ER2894,
ER8635,
ER9209,
Patent Priority Assignee Title
3283839,
4566551, Aug 30 1983 Stair-climbing conveyance
4643446, Oct 11 1984 The STC Companies, Inc. Mobile chair with removable rear wheel assembly
4645222, Mar 28 1984 Vehicle and method of operating same
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 08 1998Ferno-Washington, Inc.(assignment on the face of the patent)
Oct 01 1998AUGHPIN, RICHARD A FERNO-WASHINGTON, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0095230242 pdf
Jun 23 2003FEMO-WASHINGTON, INC U S BANK NATIONAL ASSOCIATIONSECURITY AGREEMENT0143630213 pdf
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