USPC Class Details

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(300) computer, data processor equipment (348) hard drive for personal computer

Hierarchy/Derived subclasses

D14 / 300	-> 348	-> 349	-> 350
			-> 351	-> 352
		-> 353	-> 354
			-> 355

uspto searches

Patent Apps in D14/348

Granted Patents in D14/348

Use the links above or do an advanced search in ppubs for:
(D14/348.ccls. or D14/349.ccls. or D14/350.ccls. or D14/351.ccls. or D14/352.ccls. or D14/353.ccls. or D14/354.ccls. or D14/355.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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