USPC Class Details

Description: 604 surgery / 604 surgery/(19) means for introducing or removing material from body for therapeutic purposes (e.g., medicating, irrigating, aspirating, etc.) (20) infrared, visible light, ultraviolet, x-ray or electrical energy applied to body (e.g., iontophoresis, etc.) (21) with tubular injection means inserted into body

Hierarchy/Derived subclasses

604 / 19

-> 20

-> 21

uspto searches

Patent Apps in 604/21

Granted Patents in 604/21

Use the links above or do an advanced search in ppubs for:
(604/21.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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