USPC Class Details

Description: 152 resilient tires and wheels / 152 resilient tires and wheels/(1) spring wheels (17) spring encircling rigid annulus (21) lateral thrust or tension (22) combined spring and friction

Hierarchy/Derived subclasses

152 / 1-> 17-> 21-> 22-> 23-> 24

uspto searches

Patent Apps in 152/22

Granted Patents in 152/22

Use the links above or do an advanced search in ppubs for:
(152/22.ccls. or 152/23.ccls. or 152/24.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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