USPC Class Details

Description: 264 plastic and nonmetallic article shaping or treating: processes / 264 plastic and nonmetallic article shaping or treating: processes/(41) pore forming in situ (e.g., foaming, etc.) (51) by gas forming or expanding (52) utilizing expansion retarder

Hierarchy/Derived subclasses

264 / 41

-> 51

-> 52

uspto searches

Patent Apps in 264/52

Granted Patents in 264/52

Use the links above or do an advanced search in ppubs for:
(264/52.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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