USPC Class Details – HistoricIP

Description: 345 computer graphics processing and selective visual display systems / 345 computer graphics processing and selective visual display systems/(204) display driving control circuitry (690) intensity or color driving control (e.g., gray scale) (694) spatial processing (e.g., patterns or subpixel configuration)

Hierarchy/Derived subclasses

345 / 204	-> 690	-> 694	-> 695
			-> 696

uspto searches

Patent Apps in 345/694

Granted Patents in 345/694

Use the links above or do an advanced search in ppubs for:
(345/694.ccls. or 345/695.ccls. or 345/696.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.