USPC Class Details

Description: 137 fluid handling / 137 fluid handling/(15.1) highspeed fluid intake means (e.g., jet engine intake)

Hierarchy/Derived subclasses

137 / 15.1

-> 15.2

uspto searches

Patent Apps in 137/15.1

Granted Patents in 137/15.1

Use the links above or do an advanced search in ppubs for:
(137/15.1.ccls. or 137/15.2.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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