USPC Class Details – HistoricIP

Description: 358 facsimile and static presentation processing / 358 facsimile and static presentation processing/(1.1) static presentation processing (e.g., processing data for printer, etc.) (1.9) attribute control (3.01) multi-level image reproduction (e.g., gray level reproduction) (3.03) error diffusion in gray level or halftone generation

Hierarchy/Derived subclasses

358 / 1.1	-> 1.9	-> 3.01	-> 3.03	-> 3.04
				-> 3.05

uspto searches

Patent Apps in 358/3.03

Granted Patents in 358/3.03

Use the links above or do an advanced search in ppubs for:
(358/3.03.ccls. or 358/3.04.ccls. or 358/3.05.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.