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 (388) operator interface or control (412) joystick (413) and stable base

Hierarchy/Derived subclasses

D14 / 300	-> 356	-> 388	-> 412	-> 413	-> 414
					-> 415	-> 416

uspto searches

Patent Apps in D14/413

Granted Patents in D14/413

Use the links above or do an advanced search in ppubs for:
(D14/413.ccls. or D14/414.ccls. or D14/415.ccls. or D14/416.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.