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.) (48) treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin (93.01) material introduced or removed through conduit, holder, or implantable reservoir inserted in body (131) treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.) (134) material impelled by spring (136) material conduit forced into body by spring (138) portion of conduit stored in material supply means

Hierarchy/Derived subclasses

604 / 19-> 48-> 93.01-> 131-> 134-> 136-> 138

uspto searches

Patent Apps in 604/138

Granted Patents in 604/138

Use the links above or do an advanced search in ppubs for:
(604/138.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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