USPC Class Details

Description: 266 metallurgical apparatus / 266 metallurgical apparatus/(249) means treating solid metal (262) fluid tight heat transferring box shield or hood (e.g., annealing box) (263) bell-type hood, or support for such hood

Hierarchy/Derived subclasses

266 / 249

-> 262

-> 263

-> 264

uspto searches

Patent Apps in 266/263

Granted Patents in 266/263

Use the links above or do an advanced search in ppubs for:
(266/263.ccls. or 266/264.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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