Rigid portable track > Patents

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Class Information
Number: 305/6
Name: Wheel substitutes for land vehicles > Rigid portable track
Description: Apparatus comprising a rigid track adapted to be mounted on a vehicle to travel therewith and to form the ground support therefor.

Sub-classes under this class:

Class Number	Class Name	Patents
305/7	Circular	11

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6422576	Transport mechanism	Jul. 23, 2002
5492390	Variable shaped wheel	Feb. 20, 1996
5427443	Annular elastic track	Jun. 27, 1995
5388528	Vehicle for use in pipes	Feb. 14, 1995
5355807	Vehicle adapted to freely travel three-dimensionally by magnetic force and wheel for the vehicle	Oct. 18, 1994
5220869	Vehicle adapted to freely travel three-dimensionally and up vertical walls by magnetic force and wheel for the vehicle	Jun. 22, 1993
4011919	Tireroller	Mar. 15, 1977
4000784	Demountable self-propelled crane transport assembly	Jan. 4, 1977