USPC Class Details

Description: D3 travel goods and personal belongings / d3 travel goods and personal belongings/(18) hand sewing, knitting, and embroidery equipment

Hierarchy/Derived subclasses

D3 / 18-> 20-> 21-> 22
  -> 23-> 24-> 25
  -> 26
  -> 27
 -> 28
 -> 29

uspto searches

Patent Apps in D3/18

Granted Patents in D3/18

Use the links above or do an advanced search in ppubs for:
(D3/18.ccls. or D3/20.ccls. or D3/21.ccls. or D3/22.ccls. or D3/23.ccls. or D3/24.ccls. or D3/25.ccls. or D3/26.ccls. or D3/27.ccls. or D3/28.ccls. or D3/29.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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