USPC Class Details – HistoricIP

Description: 249 static molds / 249 static molds/(79) including means within surface to confine heat exchange medium (81) mold having plural mold cavities or plural molds with community feature

Hierarchy/Derived subclasses

249 / 79

-> 81

uspto searches

Patent Apps in 249/81

Granted Patents in 249/81

Use the links above or do an advanced search in ppubs for:
(249/81.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.