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 (168) combined (8)

Hierarchy/Derived subclasses

D14 / 496	-> 168	-> 8	-> 169
			-> 170	-> 171
			-> 172

uspto searches

Patent Apps in D14/168

Granted Patents in D14/168

Use the links above or do an advanced search in ppubs for:
(D14/168.ccls. or D14/8.ccls. or D14/169.ccls. or D14/170.ccls. or D14/171.ccls. or D14/172.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