USPC Class Details – HistoricIP

Description: 707 data processing: database and file management or data structures / 707 data processing: database and file management or data structures/(705) database and file access (736) preparing data for information retrieval (748) ranking, scoring, and weighting records

Hierarchy/Derived subclasses

707 / 705	-> 736	-> 748	-> 749
			-> 750
			-> 751

uspto searches

Patent Apps in 707/748

Granted Patents in 707/748

Use the links above or do an advanced search in ppubs for:
(707/748.ccls. or 707/749.ccls. or 707/750.ccls. or 707/751.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.