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Class Information
Number: 135/82
Name: Tent, canopy, umbrella, or cane > Canes, sticks, crutches, and walking aids > Tips > Shock absorbing
Description: Structure including structure interposed between the surface engaging face of the tip and the body of the shaft to take up shock incident to positioning the shaft in contact with the surface traveled over.


Sub-classes under this class:

Class Number Class Name Patents
135/83 Fluid 6


Patents under this class:

Patent Number Title Of Patent Date Issued
7395829 Shock absorber crutch and shock absorber kit Jul. 8, 2008
7377551 Collapsible snowboard pole May. 27, 2008
7347215 Ergonomic crutches Mar. 25, 2008
7270138 Joint mechanism Sep. 18, 2007
7229101 Trekking stick with shock absorber Jun. 12, 2007
7104271 Ergonomic collapsible crutch Sep. 12, 2006
7047990 Articulated cane May. 23, 2006
7025072 Walking aid Apr. 11, 2006
6883530 Nonslip walking stick rest Apr. 26, 2005
6675820 Safety support device with adjustable arm support members & method Jan. 13, 2004
6527001 Stabilizing cane attachment Mar. 4, 2003
6378540 Walking assistance device and walking assistance attachment for the device Apr. 30, 2002
6374841 Flexibly elastic tip for stick use and stick shod with the same Apr. 23, 2002
6361515 Walker Mar. 26, 2002
6286529 Shock absorber for crutches Sep. 11, 2001
6279592 Flexibly elastic and light reflective tip for sticks Aug. 28, 2001
6254134 Shock absorbing device for ski poles, walking sticks, crutches and similar articles Jul. 3, 2001
6164305 Mobility assisting device Dec. 26, 2000
6155998 Walker Dec. 5, 2000
6138699 Anti-slip base for a crutch Oct. 31, 2000
6055998 Shock absorbing fixture May. 2, 2000
5954075 Walker Sep. 21, 1999
5901724 Adjustable crutch with spring biased handgrip May. 11, 1999
5865204 Walking cane assembly having pivoting safety tip Feb. 2, 1999
5862824 Mobility assisting device Jan. 26, 1999
5826606 Cane tip Oct. 27, 1998
5810038 Medical walker foot with collapsible tip Sep. 22, 1998
5794639 Adjustably controllable walker Aug. 18, 1998
5794638 Composite base assembly for cane having fifth leg Aug. 18, 1998
5778605 Glide cap for walker Jul. 14, 1998
5711335 Medical walker foot with collapsible tip Jan. 27, 1998
5699819 Reduced impact cane Dec. 23, 1997
5640986 Mobility assisting device Jun. 24, 1997
5633286 Gelatinous elastomer articles May. 27, 1997
5573025 Cane with engaging member Nov. 12, 1996
5508334 Thermoplastic elastomer gelatinous compositions and articles Apr. 16, 1996
5465745 Crutch Nov. 14, 1995
5353825 Radial crutch tip assembly Oct. 11, 1994
5335683 Non-slip support shoe for a walking aid Aug. 9, 1994
5336708 Gelatinous elastomer articles Aug. 9, 1994
5334646 Thermoplastic elastomer gelatinous articles Aug. 2, 1994
5307828 Support foot assembly May. 3, 1994
5238013 Walking aid cane Aug. 24, 1993
5156176 Stabilized walker device Oct. 20, 1992
5113887 Mobility assisting devices May. 19, 1992
5088513 Support leg for stick-shaped walking aids Feb. 18, 1992
4958651 Impact cushioning and avoiding device Sep. 25, 1990
4881564 Crutch tip Nov. 21, 1989
4412817 Canopy kiln system Nov. 1, 1983
4362322 Ski stick Dec. 7, 1982



 
 
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