USPC Class Details

Description: 416 fluid reaction surfaces (i.e., impellers) / 416 fluid reaction surfaces (i.e., impellers)/(20r) drive by fluid reaction jet on working member

Hierarchy/Derived subclasses

416 / 20r	-> 21	-> 22
	-> 20a

uspto searches

Patent Apps in 416/20r

Granted Patents in 416/20r

Use the links above or do an advanced search in ppubs for:
(416/20r.ccls. or 416/21.ccls. or 416/22.ccls. or 416/20a.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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