USPC Class Details

Description: 19 textiles: fiber preparation / 19 textiles: fiber preparation/(65r) working (236) drafting (239) with material sensing (240) and speed changing

Hierarchy/Derived subclasses

19 / 65r-> 236-> 239-> 240-> 241

uspto searches

Patent Apps in 19/240

Granted Patents in 19/240

Use the links above or do an advanced search in ppubs for:
(19/240.ccls. or 19/241.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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