USPC Class Details

Description: 401 coating implements with material supply / 401 coating implements with material supply/(49) solid material for rubbing contact or support therefor (55) including means to advance material (68) screw feed (71) oppositely oriented helices

Hierarchy/Derived subclasses

401 / 49-> 55-> 68-> 71

uspto searches

Patent Apps in 401/71

Granted Patents in 401/71

Use the links above or do an advanced search in ppubs for:
(401/71.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