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Class Information
Number: 305/111.81
Name: Wheel substitutes for land vehicles >

Sub-classes under this class:

Class Number Class Name Patents
305/1 Stepper type 11
305/100 With means to remove or exclude foreign matter (e.g., seal, scraper) 57
305/116 Track guide or alignment mechanism 30
305/117 With lubrication 22
305/120 With frame carried endless track 39
305/124 With track support intermediate of end wheels 37
305/143 With means for tensioning track by moving at least one endwheel 39
305/15 Combined or convertible 22
305/157 Endless belt having nonmetallic track or tread 35
305/185 Tracks or treads 38
305/19 Single wheel type 31
305/20 Wheel on top of upper track run 7
305/33 With interposed friction drive belt 6
305/34 Inflatable means 24
305/6 Rigid portable track 9
305/60 Miscellaneous 44
305/8 With rail engaging means 0
305/9 With brake 5
305/900 Master link 0

Patents under this class:

Patent Number Title Of Patent Date Issued

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