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Class Information
Number: 180/194
Name: Motor vehicles > Including one or more ski-like or runner members > With at least one surface-engaging propulsion element > Plural discrete elements protruding from a wheel, hub, or shaft
Description: Vehicle including plural, individual, propulsion elements each attached directly to a single wheel, hub, or shaft for rotation therewith about its axis.

Sub-classes under this class:

Class Number Class Name Patents
180/195 Each element moves relative to wheel, hub, or shaft 3

Patents under this class:

Patent Number Title Of Patent Date Issued
7870914 Traction assembly for a vehicle Jan. 18, 2011
7051829 No-slip drive sprocket May. 30, 2006

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