USPC Class Details – HistoricIP

Description: 435 chemistry: molecular biology and microbiology / 435 chemistry: molecular biology and microbiology/(235.1) virus or bacteriophage, except for viral vector or bacteriophage vector; composition thereof; preparation or purification thereof; production of viral subunits; media for propagating

Hierarchy/Derived subclasses

435 / 235.1	-> 236	-> 237
		-> 238
	-> 239

uspto searches

Patent Apps in 435/235.1

Granted Patents in 435/235.1

Use the links above or do an advanced search in ppubs for:
(435/235.1.ccls. or 435/236.ccls. or 435/237.ccls. or 435/238.ccls. or 435/239.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.