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Class Information
Number: 135/77
Name: Tent, canopy, umbrella, or cane > Canes, sticks, crutches, and walking aids > Tips
Description: Structure relating to the extremity of the shaft which engages the ground, floor or the like.


Sub-classes under this class:

Class Number Class Name Patents
135/78 Exchangeable (e.g., conventional to spiked) 26
135/84 Pivoting, rocking, or swivelling 76
135/85 Roller 37
135/82 Shock absorbing 53
135/86 Yieldable material 39


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7581556 Crutch-like mobility assist device with rotatable footer assembly Sep. 1, 2009
7540296 Comfort cane Jun. 2, 2009
7406975 Multi-purpose convertible device and application of use Aug. 5, 2008
7398791 Walking aid device and method of using same Jul. 15, 2008
7377551 Collapsible snowboard pole May. 27, 2008
7377662 Changeable illuminated cane tip May. 27, 2008
7243668 Adjustable cane with built in pickup Jul. 17, 2007
7188634 Cane with improved foot and handle construction Mar. 13, 2007
6877520 Cane base Apr. 12, 2005
6820628 Object manipulation apparatus Nov. 23, 2004
6802482 Overboot for a bi-pod adapter Oct. 12, 2004
6712781 Self-contained limb and cast support device Mar. 30, 2004
6708705 Braking cane Mar. 23, 2004
6651684 Free standing cane Nov. 25, 2003
6634608 Walking aid stabilizing apparatus Oct. 21, 2003
6494919 Crutch device Dec. 17, 2002
6488042 Walking cane having a multifunctional, expandable handle Dec. 3, 2002
6394116 Illuminated walking assistance apparatus May. 28, 2002
6390109 Pole provided with a quick-releasing interchangeable lateral support extension May. 21, 2002
6386216 Cane and grasping device May. 14, 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
6230726 Walking aid May. 15, 2001
6220262 Rod-shaped tool Apr. 24, 2001
6216713 Support device having interchangeable tips Apr. 17, 2001
6164306 Sandpad Dec. 26, 2000
6158453 Wheel mounted cane with brake Dec. 12, 2000
6155998 Walker Dec. 5, 2000
6138699 Anti-slip base for a crutch Oct. 31, 2000
6131593 Tip for a cane or the like Oct. 17, 2000
6125867 Self-supporting umbrella Oct. 3, 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
6003532 Wheeled triple-leg walker Dec. 21, 1999
6003533 Walking aid safety tip Dec. 21, 1999
5992434 Enlarged tip for cane Nov. 30, 1999
5941262 Step assisting device Aug. 24, 1999
5934300 Cane for visually handicapped Aug. 10, 1999
5901723 Security cane with pepper spray dispenser May. 11, 1999
5875805 Combination walking cane animal stake Mar. 2, 1999
5865203 Hand-held extensor for assistance with walking and rehabilitation Feb. 2, 1999
5839461 Protective apparatus for walkers and others Nov. 24, 1998
5829463 Crutch tip and method of making the same Nov. 3, 1998
5826605 Impact responsive extendible arm pick-up for walking cane or the like Oct. 27, 1998
5810038 Medical walker foot with collapsible tip Sep. 22, 1998
5806548 Quadcane with adjustable stance Sep. 15, 1998
5794639 Adjustably controllable walker Aug. 18, 1998
5794638 Composite base assembly for cane having fifth leg Aug. 18, 1998

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