USPC Class Details

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 (392) keyboard with conventional key arrangement (396) plural key array (397) and trackball

Hierarchy/Derived subclasses

D14 / 300

-> 356

-> 388

-> 392

-> 396

-> 397

uspto searches

Patent Apps in D14/397

Granted Patents in D14/397

Use the links above or do an advanced search in ppubs for:
(D14/397.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.

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