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Class Information
Number: 135/911
Name: Tent, canopy, umbrella, or cane > Cane for the blind
Description: Cross-reference art collection concerned with device designed for assisting, guiding, or supporting a blind person in detection of walking hazards in his path of movement.

Patents under this class:

Patent Number Title Of Patent Date Issued
8077020 Method and apparatus for tactile haptic device to guide user in real-time obstacle avoidance Dec. 13, 2011
7778112 Apparatus and method for sensing of three-dimensional environmental information Aug. 17, 2010
7267281 Location, orientation, product and color identification system for the blind or visually impaired Sep. 11, 2007
6745786 Walking aid with supplementary features Jun. 8, 2004
6068007 Impact responsive extendible arm pick-up for walking canes or the like May. 30, 2000
6055997 Assistive step-over cane assembly May. 2, 2000
6039064 Impact responsive extendiable arm pick-up for walking cane or the like Mar. 21, 2000
5975100 Vibrational walking apparatus Nov. 2, 1999
5973618 Intelligent walking stick Oct. 26, 1999
5934300 Cane for visually handicapped Aug. 10, 1999
5826605 Impact responsive extendible arm pick-up for walking cane or the like Oct. 27, 1998
5816277 White stick for blind persons Oct. 6, 1998
5785070 Dual handled walking and uprisal assist device Jul. 28, 1998
5755245 Walking stick May. 26, 1998
5485862 Cane tip Jan. 23, 1996
5301703 Cane tip Apr. 12, 1994
5097856 Electronic talking stick for the blind Mar. 24, 1992
5056545 Safety walking cane Oct. 15, 1991
4958651 Impact cushioning and avoiding device Sep. 25, 1990
4648710 Blind guide device Mar. 10, 1987
4559962 Auxiliary mobility guide for a cane Dec. 24, 1985
4280204 Mobility cane for the blind incorporating ultrasonic obstacle sensing apparatus Jul. 21, 1981
4236544 Safety-enhancing walking stick Dec. 2, 1980
3996950 Obstacle detection device for use by the blind Dec. 14, 1976
3963037 Demountable stick Jun. 15, 1976

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