USPC Class Details

Description: 418 rotary expansible chamber devices / 418 rotary expansible chamber devices/(191) interengaging rotating members (205) like rotary members (206.1) having each radial protuberance of like dimension (206.9) using specific material

Hierarchy/Derived subclasses

418 / 191

-> 205

-> 206.1

-> 206.9

uspto searches

Patent Apps in 418/206.9

Granted Patents in 418/206.9

Use the links above or do an advanced search in ppubs for:
(418/206.9.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.

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