USPC Class Details

Description: 604 surgery / 604 surgery/(4.01) blood drawn and replaced or treated and returned to body (5.01) constituent removed from blood and remainder returned to body (6.01) component of blood removed (i.e., pheresis) (6.05) single needle

Hierarchy/Derived subclasses

604 / 4.01-> 5.01-> 6.01-> 6.05

uspto searches

Patent Apps in 604/6.05

Granted Patents in 604/6.05

Use the links above or do an advanced search in ppubs for:
(604/6.05.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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