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 (190) with cooling of heating means (193) by means embedded in heating means

Hierarchy/Derived subclasses

266 / 168

-> 171

-> 190

-> 193

-> 194

uspto searches

Patent Apps in 266/193

Granted Patents in 266/193

Use the links above or do an advanced search in ppubs for:
(266/193.ccls. or 266/194.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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