USPC Class Details

Description: 452 butchering / 452 butchering/(1) crustacean (e.g., shrimp, crab, lobster, crayfish) (2) shrimp processing (4) beheader

Hierarchy/Derived subclasses

452 / 1-> 2-> 4

uspto searches

Patent Apps in 452/4

Granted Patents in 452/4

Use the links above or do an advanced search in ppubs for:
(452/4.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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