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Class Information
Number: 472/48
Name: Amusement devices > Walkway having movable floor or stair step
Description: Amusement device either (a) comprising the surface of a room, hallway, or other passageway over which a person may walk and wherein at least a portion of the surface rotates, reciprocates, vibrates, collapses, or otherwise moves beneath the feet of the person so as to make walking over the surface difficult for the person; or (b) comprising a series of steps forming a stairway over which a person may walk and wherein at least one of the treads or at least a portion of a tread of the stairway vibrates, collapses under the weight of the person, or otherwise moves beneath the feet of the person so as to make walking up or down the stairway difficult for the person.

Patents under this class:

Patent Number Title Of Patent Date Issued
7150704 Device for walking or running in place Dec. 19, 2006
6837186 Exercise treadmill for dogs Jan. 4, 2005

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