USPC Class Details

Description: 501 compositions: ceramic / 501 compositions: ceramic/(1) ceramic compositions (11) glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions (27) glass batch forming compositions (i.e., glass batch compositions) (28) slag containing

Hierarchy/Derived subclasses

501 / 1

-> 11

-> 27

-> 28

uspto searches

Patent Apps in 501/28

Granted Patents in 501/28

Use the links above or do an advanced search in ppubs for:
(501/28.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.

Display:

Back