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Welcome to the Classification Home Page.    Site data is current as of October 2001.
 
A. Access Patent Classification Info by Class/Subclass. HELP
  1. Enter a USPC Classification...
   
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e.g., 704/1 or 482/1
 
  2. Select what you want...
  Class Schedule (HTML)
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  US-to-IPC Concordance
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B. Search US Manual of Classification HELP
 
 

You can use FirstGov query below to search the Patent Classification web site.. You can also restrict your search to the Index to the USPC by choosing the Index to Classification option from the dropdown menu.

 

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