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Class Information
Number: 135/69
Name: Tent, canopy, umbrella, or cane > Canes, sticks, crutches, and walking aids > Crutches > Extensible
Description: Crutches wherein the length of the staff between the arm engaging portion and the ground engaging portion being adjustable to accommodate the device to persons of different heights.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600524 |
Mono-Crutch for lower leg disability |
Oct. 13, 2009 |
| 7534220 |
Adjustable ergonomic brace |
May. 19, 2009 |
| 7487788 |
Handle assembly for an adjustable multi-purpose crutch |
Feb. 10, 2009 |
| 7481233 |
Custom fitted crutch with two shock-absorbers |
Jan. 27, 2009 |
| 7357139 |
Stair-adjustable crutch |
Apr. 15, 2008 |
| 7350531 |
Adjustable crutch |
Apr. 1, 2008 |
| 7347215 |
Ergonomic crutches |
Mar. 25, 2008 |
| 7261113 |
Step-up cane |
Aug. 28, 2007 |
| 7255120 |
Mobility-aid apparatus and method with cores having negative draft |
Aug. 14, 2007 |
| 6938927 |
Telescoping hand held pole |
Sep. 6, 2005 |
| 6932096 |
Modified crutch with three mode lower leg/foot support |
Aug. 23, 2005 |
| 6851438 |
Ergonomic crutch |
Feb. 8, 2005 |
| RE38635 |
Stagelessly adjustable telescopic walking stick with a position retaining device |
Oct. 26, 2004 |
| 6802326 |
Crutch with height-adjustable grip |
Oct. 12, 2004 |
| 6595226 |
Telescoping walking stick |
Jul. 22, 2003 |
| 6557571 |
Adjustable crutch |
May. 6, 2003 |
| 6516821 |
Stageless adjusting/locating device for sticks |
Feb. 11, 2003 |
| 6463947 |
Directionally illuminated walking aid |
Oct. 15, 2002 |
| 6386217 |
Axillary crutch |
May. 14, 2002 |
| 6273112 |
Extendable stick |
Aug. 14, 2001 |
| 6253776 |
Crutch |
Jul. 3, 2001 |
| 6206018 |
Crutchless leg support system |
Mar. 27, 2001 |
| 6170840 |
Safety stand |
Jan. 9, 2001 |
| 6164305 |
Mobility assisting device |
Dec. 26, 2000 |
| 6145524 |
Stair climbing walker |
Nov. 14, 2000 |
| 6055998 |
Shock absorbing fixture |
May. 2, 2000 |
| 6055997 |
Assistive step-over cane assembly |
May. 2, 2000 |
| 5957146 |
Movable banister |
Sep. 28, 1999 |
| 5954074 |
Universal adjustable walking crutch and/or cane |
Sep. 21, 1999 |
| 5941263 |
Leg support crutch |
Aug. 24, 1999 |
| 5901724 |
Adjustable crutch with spring biased handgrip |
May. 11, 1999 |
| 5862824 |
Mobility assisting device |
Jan. 26, 1999 |
| 5845664 |
Support utility mobility aid |
Dec. 8, 1998 |
| 5775352 |
Cam lock assembly for adjustable cane |
Jul. 7, 1998 |
| 5769104 |
Stagelessly adjustable telescopic walking stick with a position retaining device |
Jun. 23, 1998 |
| 5765583 |
Collapsible crutch |
Jun. 16, 1998 |
| 5755245 |
Walking stick |
May. 26, 1998 |
| 5711334 |
Ambulatory aid |
Jan. 27, 1998 |
| 5649558 |
Accommodation walker for irregular and inclined surfaces |
Jul. 22, 1997 |
| 5640986 |
Mobility assisting device |
Jun. 24, 1997 |
| 5628335 |
Shock absorbing crutch |
May. 13, 1997 |
| 5605170 |
Crutch |
Feb. 25, 1997 |
| 5402811 |
Telescopic and foldable crutch structure |
Apr. 4, 1995 |
| 5351701 |
Crutch structure |
Oct. 4, 1994 |
| 5349977 |
Adjustable walker |
Sep. 27, 1994 |
| 5313971 |
Crutch sling leg support apparatus and method |
May. 24, 1994 |
| 5300016 |
Lower leg shelf with foldable weight-bearing strut and stabilizer frame |
Apr. 5, 1994 |
| 5291909 |
Universal walker leg support device |
Mar. 8, 1994 |
| 5282486 |
Crutch with power lift and foot and method of using same |
Feb. 1, 1994 |
| 5217419 |
Walk-through walker |
Jun. 8, 1993 |
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