USPC Class Details

Description: 131 tobacco / 131 tobacco/(280) cigar or cigarette making (27.1) including cooperating surfaces to induce rolling (47) apron type

Hierarchy/Derived subclasses

131 / 280-> 27.1-> 47-> 48-> 49
   -> 50-> 51-> 52-> 53
   -> 54

uspto searches

Patent Apps in 131/47

Granted Patents in 131/47

Use the links above or do an advanced search in ppubs for:
(131/47.ccls. or 131/48.ccls. or 131/49.ccls. or 131/50.ccls. or 131/51.ccls. or 131/52.ccls. or 131/53.ccls. or 131/54.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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