|
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, | |||
5224717, | Jul 27 1990 | Walking aid device | |
5224721, | Jul 23 1992 | Walker having folding and pivoting seat apparatus | |
5338048, | May 10 1993 | AOK GLOBAL PRODUCTS, LTD | Collapsible wheelchair |
6435538, | Jul 31 1998 | Ferno-Washington, Inc. | Stair chair |
6561524, | Apr 06 2000 | AOK GLOBAL PRODUCTS, LTD | Collapsible chair |
6644675, | Jul 31 1998 | Ferno-Washington, Inc. | Stair chair |
6648343, | Jan 14 2002 | Stryker Corporation | Stair chair |
20030141677, | |||
D369578, | Jun 07 1994 | Walker | |
D409120, | Apr 08 1998 | FERNO-WASHINGTON, INC | Stair chair |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 20 2004 | Ferno-Washington, Inc. | (assignment on the face of the patent) | / | |||
Jan 20 2005 | DIETZ, TIMOTHY J | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
Jan 20 2005 | CHAMBLISS, CHARLES SCOTT | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
Jan 25 2005 | SCHRAND, STEVEN B | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
Jan 31 2005 | BIERMAN, DONALD CHARLES | FERNO-WASHINGTON, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015689 | /0283 | |
Dec 08 2006 | FERNO-WASHINGTON, INC | U S BANK NATIONAL ASSOCIATION | MORTGAGE SEE DOCUMENT FOR DETAILS | 018616 | /0238 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |