USPC Class Details – HistoricIP

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(300) computer, data processor equipment (356) peripheral equipment (383) personal access or verification type

Hierarchy/Derived subclasses

D14 / 300	-> 356	-> 383	-> 384
			-> 385	-> 386
				-> 387

uspto searches

Patent Apps in D14/383

Granted Patents in D14/383

Use the links above or do an advanced search in ppubs for:
(D14/383.ccls. or D14/384.ccls. or D14/385.ccls. or D14/386.ccls. or D14/387.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.