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Class Information
Number: 135/74
Name: Tent, canopy, umbrella, or cane > Canes, sticks, crutches, and walking aids > Folding
Description: Shafts which fold from a condition of use to a more compact or smaller nonuse form, for ease of storage or carrying.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614414 |
Convertible crutches |
Nov. 10, 2009 |
| 7588043 |
Apparatus for mobilization of individuals resulting from injury or surgery to foot |
Sep. 15, 2009 |
| 7506657 |
Walker for children and adults |
Mar. 24, 2009 |
| 7497226 |
Walker |
Mar. 3, 2009 |
| 7377285 |
Walker |
May. 27, 2008 |
| 7373942 |
Adjustable width walker |
May. 20, 2008 |
| 7357139 |
Stair-adjustable crutch |
Apr. 15, 2008 |
| 7303537 |
Ambulation assistance device |
Dec. 4, 2007 |
| 7278436 |
Adjustable walker |
Oct. 9, 2007 |
| 7261113 |
Step-up cane |
Aug. 28, 2007 |
| 7108004 |
Mobility aiding device |
Sep. 19, 2006 |
| 7104271 |
Ergonomic collapsible crutch |
Sep. 12, 2006 |
| 6932096 |
Modified crutch with three mode lower leg/foot support |
Aug. 23, 2005 |
| 6920888 |
Foldable stick assembly |
Jul. 26, 2005 |
| 6886575 |
Lock release mechanism for foldable walkers |
May. 3, 2005 |
| 6799592 |
Collapsible knee crutch |
Oct. 5, 2004 |
| 6659478 |
Combination walker and transport chair |
Dec. 9, 2003 |
| 6622741 |
Automatic bending-angle changing structure for umbrella |
Sep. 23, 2003 |
| 6408865 |
Multi-seasonal disposable hunting blind |
Jun. 25, 2002 |
| 6401738 |
Collapsible power gait walker including a climbing and declining mechanism |
Jun. 11, 2002 |
| 6386217 |
Axillary crutch |
May. 14, 2002 |
| 6364562 |
Tiltable sunshade |
Apr. 2, 2002 |
| 6338592 |
Article connector |
Jan. 15, 2002 |
| 6217056 |
Walking aid |
Apr. 17, 2001 |
| 6206019 |
Convertible cane construction |
Mar. 27, 2001 |
| 6170501 |
Folding aid to assist in rising from a seated position |
Jan. 9, 2001 |
| 6142527 |
Ski or walking stick with adjustable handle |
Nov. 7, 2000 |
| 6068007 |
Impact responsive extendible arm pick-up for walking canes or the like |
May. 30, 2000 |
| 6039064 |
Impact responsive extendiable arm pick-up for walking cane or the like |
Mar. 21, 2000 |
| 6014981 |
Walker formed substantially from a polymer |
Jan. 18, 2000 |
| 6003532 |
Wheeled triple-leg walker |
Dec. 21, 1999 |
| 5979476 |
Folding walker with multiple configurations |
Nov. 9, 1999 |
| 5904167 |
One legged two handed walking device |
May. 18, 1999 |
| 5882067 |
Rigid seat for folding invalid walker |
Mar. 16, 1999 |
| 5862825 |
Walker |
Jan. 26, 1999 |
| 5826605 |
Impact responsive extendible arm pick-up for walking cane or the like |
Oct. 27, 1998 |
| 5819772 |
Walker for disabled persons |
Oct. 13, 1998 |
| 5662131 |
Portable folding grab bar |
Sep. 2, 1997 |
| 5609176 |
Combination walking stick and blind |
Mar. 11, 1997 |
| 5579793 |
Foldable walker |
Dec. 3, 1996 |
| 5529425 |
Foldable walker with a locking mechanism |
Jun. 25, 1996 |
| 5449013 |
Device for assisting a person to sit or stand |
Sep. 12, 1995 |
| 5433235 |
Foldable and lockable walker |
Jul. 18, 1995 |
| 5385163 |
Step canes |
Jan. 31, 1995 |
| 5325879 |
Foldable crutch |
Jul. 5, 1994 |
| 5277438 |
Collapsible recuperating walker |
Jan. 11, 1994 |
| 5275187 |
Foldable walker |
Jan. 4, 1994 |
| 5263506 |
Stairs walker |
Nov. 23, 1993 |
| 5255697 |
Walking support apparatus |
Oct. 26, 1993 |
| 5255696 |
Walker release button |
Oct. 26, 1993 |
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