USPC Class Details

Description: 303 fluid-pressure and analogous brake systems / 303 fluid-pressure and analogous brake systems/(121) speed-controlled (113.1) having a valve system responsive to a wheel lock signal (115.1) system controlled by expansible chamber type modulator (115.4) having pump pressure control

Hierarchy/Derived subclasses

303 / 121

-> 113.1

-> 115.1

-> 115.4

-> 115.5

uspto searches

Patent Apps in 303/115.4

Granted Patents in 303/115.4

Use the links above or do an advanced search in ppubs for:
(303/115.4.ccls. or 303/115.5.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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