USPC Class Details – HistoricIP

Description: 226 advancing material of indeterminate length / 226 advancing material of indeterminate length/(10) with material-responsive control means (24) to regulate longitudinal movement of material (27) registration (28) of continuously moving material (29) by means to vary speed of material momentarily (30) by means to vary speed of feed roll (31) by ancillary power source

Hierarchy/Derived subclasses

226 / 10

-> 24

-> 27

-> 28

-> 29

-> 30

-> 31

uspto searches

Patent Apps in 226/31

Granted Patents in 226/31

Use the links above or do an advanced search in ppubs for:
(226/31.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.