USPC Class Details

Description: 501 compositions: ceramic / 501 compositions: ceramic/(1) ceramic compositions (141) clay containing (e.g., porcelain, earthenware, etc.) (145) clay pretreatment (150) heat pretreatment

Hierarchy/Derived subclasses

501 / 1

-> 141

-> 145

-> 150

uspto searches

Patent Apps in 501/150

Granted Patents in 501/150

Use the links above or do an advanced search in ppubs for:
(501/150.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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