USPC Class Details

Description: 414 material or article handling / 414 material or article handling/(137.1) marine loading or unloading system (141.9) by use of screw conveyor on marine vessel

Hierarchy/Derived subclasses

414 / 137.1-> 141.9

uspto searches

Patent Apps in 414/141.9

Granted Patents in 414/141.9

Use the links above or do an advanced search in ppubs for:
(414/141.9.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