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Transportation & Automotive
Class Information
Number:
305/39
Name:
Wheel substitutes for land vehicles
>
Description:
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)
53
305/116
Track guide or alignment mechanism
29
305/117
With lubrication
22
305/120
With frame carried endless track
32
305/124
With track support intermediate of end wheels
30
305/143
With means for tensioning track by moving at least one endwheel
30
305/15
Combined or convertible
22
305/157
Endless belt having nonmetallic track or tread
32
305/185
Tracks or treads
35
305/19
Single wheel type
30
305/20
Wheel on top of upper track run
7
305/33
With interposed friction drive belt
5
305/34
Inflatable means
23
305/6
Rigid portable track
8
305/60
Miscellaneous
40
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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