USPC Class Details

Description: 303 fluid-pressure and analogous brake systems / 303 fluid-pressure and analogous brake systems/(121) speed-controlled (139) and traction control (143) with four wheel drive or all wheel drive

Hierarchy/Derived subclasses

303 / 121

-> 139

-> 143

uspto searches

Patent Apps in 303/143

Granted Patents in 303/143

Use the links above or do an advanced search in ppubs for:
(303/143.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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