USPC Class Details

Description: 266 metallurgical apparatus / 266 metallurgical apparatus/(200) means for melting or vaporizing metal or treating liquefied metal (216) by means introducing treating material (217) gaseous treating material

Hierarchy/Derived subclasses

266 / 200	-> 216	-> 217	-> 218	-> 219
				-> 220
				-> 221	-> 222
				-> 223
				-> 224
			-> 225	-> 226

uspto searches

Patent Apps in 266/217

Granted Patents in 266/217

Use the links above or do an advanced search in ppubs for:
(266/217.ccls. or 266/218.ccls. or 266/219.ccls. or 266/220.ccls. or 266/221.ccls. or 266/222.ccls. or 266/223.ccls. or 266/224.ccls. or 266/225.ccls. or 266/226.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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