USPC Class Details

Description: 180 motor vehicles / 180 motor vehicles/(7.1) special driving device (9) portable track (9.1) endless, flexible (9.26) convertible from wheel type (9.28) track remains with vehicle

Hierarchy/Derived subclasses

180 / 7.1-> 9-> 9.1-> 9.26-> 9.28-> 9.3

uspto searches

Patent Apps in 180/9.28

Granted Patents in 180/9.28

Use the links above or do an advanced search in ppubs for:
(180/9.28.ccls. or 180/9.3.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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