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 (175) console type radio or phonograph (176) simulative

Hierarchy/Derived subclasses

D14 / 496	-> 175	-> 176	-> 177
			-> 178

uspto searches

Patent Apps in D14/176

Granted Patents in D14/176

Use the links above or do an advanced search in ppubs for:
(D14/176.ccls. or D14/177.ccls. or D14/178.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