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 (204) speaker or housing therefor (10)

Hierarchy/Derived subclasses

D14 / 496	-> 204	-> 10	-> 205	-> 206
			-> 207
			-> 208
			-> 209
			-> 209.1
			-> 210	-> 211
				-> 212
				-> 213
				-> 214
				-> 215
			-> 216

uspto searches

Patent Apps in D14/204

Granted Patents in D14/204

Use the links above or do an advanced search in ppubs for:
(D14/204.ccls. or D14/10.ccls. or D14/205.ccls. or D14/206.ccls. or D14/207.ccls. or D14/208.ccls. or D14/209.ccls. or D14/209.1.ccls. or D14/210.ccls. or D14/211.ccls. or D14/212.ccls. or D14/213.ccls. or D14/214.ccls. or D14/215.ccls. or D14/216.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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