USPC Class Details

Description: 417 pumps / 417 pumps/(65) one fluid pumped by contact or entrainment with another (118) liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber (137) cyclic pumping

Hierarchy/Derived subclasses

417 / 65	-> 118	-> 137	-> 138
			-> 139	-> 140
				-> 141
				-> 142
			-> 143
			-> 144
			-> 145	-> 146
				-> 147

uspto searches

Patent Apps in 417/137

Granted Patents in 417/137

Use the links above or do an advanced search in ppubs for:
(417/137.ccls. or 417/138.ccls. or 417/139.ccls. or 417/140.ccls. or 417/141.ccls. or 417/142.ccls. or 417/143.ccls. or 417/144.ccls. or 417/145.ccls. or 417/146.ccls. or 417/147.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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