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 (420) scanner or bar code reader (421) console type

Hierarchy/Derived subclasses

D14 / 300

-> 356

-> 420

-> 421

uspto searches

Patent Apps in D14/421

Granted Patents in D14/421

Use the links above or do an advanced search in ppubs for:
(D14/421.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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