USPC Class Details

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(496) video or audio transmission, recording or playback equipment (498) disc type player or recorder (500) shelf type (502) front loading (503) with extended disc tray (504) provision for plural disc

Hierarchy/Derived subclasses

D14 / 496

-> 498

-> 500

-> 502

-> 503

-> 504

uspto searches

Patent Apps in D14/504

Granted Patents in D14/504

Use the links above or do an advanced search in ppubs for:
(D14/504.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.

Display:

Back