USPC Class Details

Description: 401 coating implements with material supply / 401 coating implements with material supply/(221) bifurcate pointed nib tool (e.g., fountain pen) (222) including reservoir and feeder (248) hooded tool

Hierarchy/Derived subclasses

401 / 221-> 222-> 248

uspto searches

Patent Apps in 401/248

Granted Patents in 401/248

Use the links above or do an advanced search in ppubs for:
(401/248.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.
Display:

Back