USPC Class Details

Description: D14 recording, communication, or information retrieval equipment / d14 recording, communication, or information retrieval equipment/(300) computer, data processor equipment (432) element or attachment

Hierarchy/Derived subclasses

D14 / 300	-> 432	-> 433
		-> 434
		-> 435	-> 435.1
			-> 436
			-> 437
			-> 438
		-> 439	-> 440
			-> 441	-> 442
				-> 443
				-> 444	-> 445
					-> 446
			-> 447
		-> 448	-> 449
			-> 450
			-> 451	-> 452
		-> 453
		-> 454	-> 455	-> 456
				-> 457
			-> 458	-> 459
			-> 460	-> 461

uspto searches

Patent Apps in D14/432

Granted Patents in D14/432

Use the links above or do an advanced search in ppubs for:
(D14/432.ccls. or D14/433.ccls. or D14/434.ccls. or D14/435.ccls. or D14/435.1.ccls. or D14/436.ccls. or D14/437.ccls. or D14/438.ccls. or D14/439.ccls. or D14/440.ccls. or D14/441.ccls. or D14/442.ccls. or D14/443.ccls. or D14/444.ccls. or D14/445.ccls. or D14/446.ccls. or D14/447.ccls. or D14/448.ccls. or D14/449.ccls. or D14/450.ccls. or D14/451.ccls. or D14/452.ccls. or D14/453.ccls. or D14/454.ccls. or D14/455.ccls. or D14/456.ccls. or D14/457.ccls. or D14/458.ccls. or D14/459.ccls. or D14/460.ccls. or D14/461.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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