USPC Class Details – HistoricIP

Description: 705 data processing: financial, business practice, management, or cost/price determination / 705 data processing: financial, business practice, management, or cost/price determination/(50) business processing using cryptography (64) secure transaction (e.g., eft/pos) (65) including intelligent token (e.g., electronic purse)

Hierarchy/Derived subclasses

705 / 50	-> 64	-> 65	-> 66
			-> 67
			-> 68
			-> 69

uspto searches

Patent Apps in 705/65

Granted Patents in 705/65

Use the links above or do an advanced search in ppubs for:
(705/65.ccls. or 705/66.ccls. or 705/67.ccls. or 705/68.ccls. or 705/69.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.