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

Hierarchy/Derived subclasses

D14 / 496	-> 175	-> 176	-> 177
			-> 178
		-> 179
		-> 180
		-> 181
		-> 182
		-> 183
		-> 184	-> 9

uspto searches

Patent Apps in D14/175

Granted Patents in D14/175

Use the links above or do an advanced search in ppubs for:
(D14/175.ccls. or D14/176.ccls. or D14/177.ccls. or D14/178.ccls. or D14/179.ccls. or D14/180.ccls. or D14/181.ccls. or D14/182.ccls. or D14/183.ccls. or D14/184.ccls. or D14/9.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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