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 (41) nonsilicate oxide glasses (43) halogen containing (44) fluorine and phosphorus containing

Hierarchy/Derived subclasses

501 / 1

-> 11

-> 41

-> 43

-> 44

uspto searches

Patent Apps in 501/44

Granted Patents in 501/44

Use the links above or do an advanced search in ppubs for:
(501/44.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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