USPC Class Details

Description: 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation) / 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(165) testing or calibrating of radar system

Hierarchy/Derived subclasses

342 / 165	-> 166
	-> 167
	-> 168
	-> 169	-> 170
		-> 171
		-> 172
	-> 173	-> 174

uspto searches

Patent Apps in 342/165

Granted Patents in 342/165

Use the links above or do an advanced search in ppubs for:
(342/165.ccls. or 342/166.ccls. or 342/167.ccls. or 342/168.ccls. or 342/169.ccls. or 342/170.ccls. or 342/171.ccls. or 342/172.ccls. or 342/173.ccls. or 342/174.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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