USPC Class Details

Description: 435 chemistry: molecular biology and microbiology / 435 chemistry: molecular biology and microbiology/(4) measuring or testing process involving enzymes or micro-organisms; composition or test strip therefore; processes of forming such composition or test strip (18) involving hydrolase

Hierarchy/Derived subclasses

435 / 4	-> 18	-> 19	-> 20
			-> 21
		-> 22
		-> 23
		-> 24

uspto searches

Patent Apps in 435/18

Granted Patents in 435/18

Use the links above or do an advanced search in ppubs for:
(435/18.ccls. or 435/19.ccls. or 435/20.ccls. or 435/21.ccls. or 435/22.ccls. or 435/23.ccls. or 435/24.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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