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 (203.1) digital media recorder or player (203.3) pocket or portable type

Hierarchy/Derived subclasses

D14 / 496	-> 203.1	-> 203.3	-> 203.4
			-> 203.5
			-> 203.6
			-> 203.7

uspto searches

Patent Apps in D14/203.3

Granted Patents in D14/203.3

Use the links above or do an advanced search in ppubs for:
(D14/203.3.ccls. or D14/203.4.ccls. or D14/203.5.ccls. or D14/203.6.ccls. or D14/203.7.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