USPC Class Details

Description: 266 metallurgical apparatus / 266 metallurgical apparatus/(168) means for treating ores or for extracting metals (171) by means applying heat to work, e.g., furnace (185) with work supporting grate

Hierarchy/Derived subclasses

266 / 168

-> 171

-> 185

uspto searches

Patent Apps in 266/185

Granted Patents in 266/185

Use the links above or do an advanced search in ppubs for:
(266/185.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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