USPC Class Details

Description: 416 fluid reaction surfaces (i.e., impellers) / 416 fluid reaction surfaces (i.e., impellers)/(90r) with fluid passage in working member communicating with working fluid

Hierarchy/Derived subclasses

416 / 90r	-> 91
	-> 92
	-> 90a

uspto searches

Patent Apps in 416/90R

Granted Patents in 416/90R

Use the links above or do an advanced search in ppubs for:
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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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