USPC Class Details – HistoricIP

Description: 415 rotary kinetic fluid motors or pumps / 415 rotary kinetic fluid motors or pumps/(71) runner has spirally arranged blade or fluid passage (72) extending along runner axis (i.e., axial flow)

Hierarchy/Derived subclasses

415 / 71	-> 72	-> 73
		-> 74
		-> 75

uspto searches

Patent Apps in 415/72

Granted Patents in 415/72

Use the links above or do an advanced search in ppubs for:
(415/72.ccls. or 415/73.ccls. or 415/74.ccls. or 415/75.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.