PATENTS   
Patents > Guidance, Tools, and Manuals > Classification Main Menu
    Class Numbers & Titles   | Class Numbers Only   | Index to the U.S. Patent Classification (USPC) System   | International   | HELP  | Office of Patent Classification  
Site Data is Current as of April 2012.  
 
A. Access Classification Info by Class/Subclass HELP
  1. Enter a US Patent Classification...
   
/
 
   
Class (required)/Subclass (optional)
e.g., 704/1 or 482/1
 
  2. Select what you want...
  Class Schedule (HTML)
  Printable Version of Class Schedule (PDF)
  Class Definition (HTML)
  Printable Version of Class Definition (PDF)
  US-to-IPC8 Concordance (HTML)
  US-to-IPC8 Concordance (PDF)
  US-to-Locarno Concordance
  3.  
   
B. Classification Information
 
  1. Index to the U.S. Patent Classification System (Preface)
  2. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

  3. Classification Orders
  4. Classification Orders Index
  5. Classes Under Reclass
  6. Classes Within the U.S. Classification System (Arranged by Related Subjects)
  7. Classes Arranged Numerically With Art Unit and Search Room Locations
  8. Classes Arranged in Alphabetical Order
  9. Classes Arranged by Art Unit
  10. Information on E-Subclasses

 

 

 

 

 

 
C. Search USA.Gov (General Search and Advanced Search)
   
 

1. Click the Search USA.gov logo below to initiate a general search at USA.gov:

Search USA.gov

 

 

2. Click the Advanced Search USA.gov link below to initiate an advanced search at USA.gov:

Advanced Search USA.gov


   Note: Some content linked to on this page may require a plug-in for Adobe Acrobat Reader.

KEY: e Biz=online business system fees=fees forms=formshelp=help laws and regs=laws/regulations definition=definition (glossary)

The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website.


|.HOME | SITE INDEX| SEARCH | eBUSINESS | HELP | PRIVACY POLICY