USPC Class Details

Description: 418 rotary expansible chamber devices / 418 rotary expansible chamber devices/(208) movable intermediate partition engages peripheries of plural spaced working members

Hierarchy/Derived subclasses

418 / 208

uspto searches

Patent Apps in 418/208

Granted Patents in 418/208

Use the links above or do an advanced search in ppubs for:
(418/208.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