Patent
   D519064
Priority
Oct 20 2004
Filed
Oct 20 2004
Issued
Apr 18 2006
Expiry
Apr 18 2020
Assg.orig
Entity
unknown
10
12
n/a
The ornamental design for a stair chair, as shown and described.

FIG. 1 is a front side perspective view of a stair chair design unfolded and tracks deployed;

FIG. 2 is a front side perspective view of a stair chair design unfolded and tracks retracted;

FIG. 3 is a close-up front side perspective view thereof;

FIG. 4 is a back side perspective view of a stair chair design unfolded and tracks deployed;

FIG. 5 is a close-up back side perspective view thereof;

FIG. 6 is a back side perspective view of a stair chair design unfolded and tracks retracted;

FIG. 7 is a top front view of a stair chair design unfolded;

FIG. 8 is a top back view of a stair chair design unfolded and tracks deployed;

FIG. 9 is a back view thereof;

FIG. 10 is a back view of a stair chair design unfolded and tracks retracted;

FIG. 11 is a side view thereof;

FIG. 12 is a side view of a stair chair design unfolded and tracks deployed;

FIG. 13 is a front view thereof;

FIG. 14 is a bottom view of a stair chair design unfolded; and,

FIG. 15 is a bottom view of a stair chair design completely folded.

Dietz, Timothy J., Schrand, Steven B., Chambliss, Charles Scott, Bierman, Donald Charles

Patent Priority Assignee Title
10857055, Apr 17 2015 GWENVENTIONS, LLC Portable device for facilitating medical examination
7520347, Aug 11 2005 Ferno-Washington, Inc. Stair chair with an adjustable glide track resistance and braking device
8332977, Mar 03 2009 GWENVENTIONS, LLC Bedside medical examination device
9050230, Apr 07 2006 Montefiore Medical Center; The University of Hartford Wheelchair attachments
9629772, Apr 17 2015 GWENVENTIONS, LLC Portable device for facilitating medical examination
D615207, Mar 03 2009 GWENVENTIONS, LLC Medical examination cart
D735092, Feb 11 2011 ENABLE ACCESS HOLDINGS LIMITED Evacuation chair
D735093, Apr 15 2013 ENABLE ACCESS HOLDINGS LIMITED Evacuation chair
D738795, Aug 26 2010 ENABLE ACCESS HOLDINGS LIMITED Evacuation chair
D864042, Nov 21 2017 MOBILE STAIR LIFT CORP Electric stair chair
Patent Priority Assignee Title
2699557,
3122758,
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5338048, May 10 1993 AOK GLOBAL PRODUCTS, LTD Collapsible wheelchair
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6561524, Apr 06 2000 AOK GLOBAL PRODUCTS, LTD Collapsible chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 20 2004Ferno-Washington, Inc.(assignment on the face of the patent)
Jan 20 2005DIETZ, TIMOTHY J FERNO-WASHINGTON, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0156890283 pdf
Jan 20 2005CHAMBLISS, CHARLES SCOTTFERNO-WASHINGTON, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0156890283 pdf
Jan 25 2005SCHRAND, STEVEN B FERNO-WASHINGTON, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0156890283 pdf
Jan 31 2005BIERMAN, DONALD CHARLESFERNO-WASHINGTON, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0156890283 pdf
Dec 08 2006FERNO-WASHINGTON, INC U S BANK NATIONAL ASSOCIATIONMORTGAGE SEE DOCUMENT FOR DETAILS 0186160238 pdf
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