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Class Information
Number: 135/80
Name: Tent, canopy, umbrella, or cane > Canes, sticks, crutches, and walking aids > Tips > Exchangeable (e.g., conventional to spiked) > Relatively movable spiked and conventional elements
Description: Tips wherein the crutch has both a spiked tip and a conventional tip mounted thereon, one in a ground engaging position and the other in a nonground engaging position, and one tip will move relative to the other tip during the exchange of positions.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7503337 |
Grip tip assembly for walking aids |
Mar. 17, 2009 |
| 7377551 |
Collapsible snowboard pole |
May. 27, 2008 |
| 7252104 |
Walking cane with integral item retrieval means |
Aug. 7, 2007 |
| 6711772 |
Survival tool |
Mar. 30, 2004 |
| 6488042 |
Walking cane having a multifunctional, expandable handle |
Dec. 3, 2002 |
| 6330888 |
Visual stimulation cane for Parkinson's Disease sufferers |
Dec. 18, 2001 |
| 5711335 |
Medical walker foot with collapsible tip |
Jan. 27, 1998 |
| 4977914 |
Slip resistent apparatus for canes, crutches and walkers |
Dec. 18, 1990 |
| 4434808 |
Anti-skid device for a cane, crutch, or the like |
Mar. 6, 1984 |
| 4091828 |
Manually operable crutch and cane stand |
May. 30, 1978 |
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