USPC Class Details

Description: 23 chemistry: physical processes / 23 chemistry: physical processes/(293r) physical processes (295r) crystallization

Hierarchy/Derived subclasses

23 / 293r-> 295r-> 296-> 297
   -> 298
  -> 299
  -> 300-> 301
  -> 302r-> 303
   -> 302a
   -> 302t
  -> 304
  -> 305r-> 305a
   -> 305f
   -> 305re
  -> 295g
  -> 295s

uspto searches

Patent Apps in 23/295R

Granted Patents in 23/295R

Use the links above or do an advanced search in ppubs for:
()

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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