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 (121) serially connected pumping chambers

Hierarchy/Derived subclasses

417 / 65-> 118-> 121

uspto searches

Patent Apps in 417/121

Granted Patents in 417/121

Use the links above or do an advanced search in ppubs for:
(417/121.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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