class

Element Title: Class

Element Description: The U. S. Patent Classification consists of a class and subclass, both are required.

The class element consists of 3 alphanumeric characters right justified with leading zeroes.

Element Content:

(#PCDATA)

Element is Located in:

uspc

Element Attributes: None

Element Markup Instructions: Utility application classes are always numeric. The sole plant application class is "Plt".

Element Example:

<class>194</class>