USPC Class Details

Description: 418 rotary expansible chamber devices / 418 rotary expansible chamber devices/(5) multistage (8) working fluid engages working member serially in circumferentially spaced working chambers

Hierarchy/Derived subclasses

418 / 5-> 8

uspto searches

Patent Apps in 418/8

Granted Patents in 418/8

Use the links above or do an advanced search in ppubs for:
(418/8.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