Patents > Guidance, Tools, and Manuals > Classification > USPC Index

Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP

You are viewing an Index to the USPC.

View as PDF

Y Guns .....................................  89 / 1.1 

Yacht See Ship   

Yale Tm Lock ...............................  70 / 492 

Yard   
    Railway car ............................  104 / 26.1+ 
    Ship spar ..............................  114 / 95+ 
    Stick ..................................  33 / 483+ 

Yarn See Thread   
    Doll ...................................  446 / 372+ 
    Fluid treatment of package .............  8 / 155+ 
    Printing on ............................  101 / 172 
    Structure ..............................  57 
    Testing ................................  73 / 160 

Yeast (See Also  Fungi)   
    Apparatus ..............................  435 / 283.1+ 
    Cell mutation, genetic engineering .....  435 / 440+ 
    Compositions   
        Body treating ......................  424 / 93.1+ 
        Bread making with ..................  426 / 18+ 
        Edible products ....................  426 
            Bread making ...................  426 / 18+ 
            Single cell protein ............  435 / 804* 
    Fermenting carbohydrates by ............  435 
    Products, microorganism per se .........  435 / 243+ 
        Enzyme, processes for ..............  435 / 183 
        Nonferment material combined .......  435 / 174+ 
            For stabilizing ................  435 / 188 
    Propagation ............................  435 / 255.1+ 
        Apparatus ..........................  435 / 283.1+ 
        Nonferment material combined .......  435 / 283.1+ 
    Yeast, per se, culture methods .........  435 / 255.1+ 
        Transformants ......................  435 / 254.2+ 
    Measuring and testing ..................  435 / 7.31 

Yoghurt ....................................  426 / 583 

Yohimbine ..................................  546 / 53 
    Derivatives ............................  546 / 53 

Yoke   
    Animal draft appliance   
        Neck yoke ..........................  278 / 119+ 
        Thill ..............................  278 / 51 
    Apparel ................................  2 / 122 
    Axle lubricator ........................  384 / 374 
    Bottle closure .........................  215 / 237+ 
    Chuck ..................................  279 / 19.1+ 
    Draft ..................................  D30 / 137+ 
    Grapple ................................  294 / 91 
    Harness ................................  54 / 3 
        Ox .................................  54 / 77 
    Motor fluid current ....................  416 / 244 R 
    Pipe joint .............................  285 / 274 
    Railway   
        Conduit ............................  104 / 142+ 
        Draft appliance cushioned ..........  213 / 47+ 
        Draw bar ...........................  213 / 67 R+ 
        Track fastener .....................  238 / 314 
        Truck platform .....................  105 / 214 
    Watch   
        Lever set ..........................  368 / 199 
        Pendant set ........................  368 / 197+ 
    Wrench shank grip ......................  81 / 152 

Ytterium Inorganic Recovery ................  423 / 21.1+ 

This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.

Please send questions and comments to usptoinfo@uspto.gov .

Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information

Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:

     Information Products Division -- U.S. Patent and Trademark Office Information Products Division Contact Information
     Or, browse their on-line catalog.

KEY: =online business system =fees =forms=help =laws/regulations =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.