PATENTS   
Patents > Guidance, Tools, and Manuals > Classification > Class Schedule
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a USPC Schedule.
Class   503RECORD RECEIVER HAVING PLURAL INTERACTIVE LEAVES OR A COLORLESS COLOR FORMER, METHOD OF USE, OR DEVELOPER THEREFOR
Click here for a printable version of this file
  Turn Outline  
     Expand/Contract Processing Please Wait
[List of Pre Grant Publications for class 503 subclass 200][List of Patents for class 503 subclass 200]200 HAVING A COLORLESS COLOR-FORMER, DEVELOPER THEREFOR, OR METHOD OF USE
 [List of Pre Grant Publications for class 503 subclass 201][List of Patents for class 503 subclass 201]201 Subclass 201 indent level is 1 Method of use, kit, or combined with marking instrument or organ
 [List of Pre Grant Publications for class 503 subclass 202][List of Patents for class 503 subclass 202]202 Subclass 202 indent level is 1 Color developed by mere decomposition of color-former
 [List of Pre Grant Publications for class 503 subclass 203][List of Patents for class 503 subclass 203]203 Subclass 203 indent level is 1 Duplicating master
 [List of Pre Grant Publications for class 503 subclass 204][List of Patents for class 503 subclass 204]204 Subclass 204 indent level is 1 Plural colors or plural diverse systems
 [List of Pre Grant Publications for class 503 subclass 205][List of Patents for class 503 subclass 205]205 Subclass 205 indent level is 1 Having a color desensitizer
 [List of Pre Grant Publications for class 503 subclass 206][List of Patents for class 503 subclass 206]206 Subclass 206 indent level is 1 Component noncoextensive with substrate
 [List of Pre Grant Publications for class 503 subclass 207][List of Patents for class 503 subclass 207]207 Subclass 207 indent level is 1 Having nonreactant particles of defined size
 [List of Pre Grant Publications for class 503 subclass 208][List of Patents for class 503 subclass 208]208 Subclass 208 indent level is 1 Having constituent defined in terms of melting temperature
 [List of Pre Grant Publications for class 503 subclass 209][List of Patents for class 503 subclass 209]209 Subclass 209 indent level is 1 Having nonchromogenic liquid spread-control or transfer-improving agent or component, color modifier, stabilizer or preservative
[List of Pre Grant Publications for class 503 subclass 210][List of Patents for class 503 subclass 210]210 Subclass 210 indent level is 1 Heavy metal reactant
[List of Pre Grant Publications for class 503 subclass 211][List of Patents for class 503 subclass 211]211 Subclass 211 indent level is 2 Metal of atomic number 22-30
 [List of Pre Grant Publications for class 503 subclass 213][List of Patents for class 503 subclass 213]213 Subclass 213 indent level is 1 Identified solvent or dispersant for color-former, other than mere mineral oil
[List of Pre Grant Publications for class 503 subclass 214][List of Patents for class 503 subclass 214]214 Subclass 214 indent level is 1 Identified reactant isolating material or capsule wall material or binder resin
 [List of Pre Grant Publications for class 503 subclass 215][List of Patents for class 503 subclass 215]215 Subclass 215 indent level is 2 Synthetic resin capsule walls
[List of Pre Grant Publications for class 503 subclass 216][List of Patents for class 503 subclass 216]216 Subclass 216 indent level is 1 Identified organic electron acceptor (developer) other than phenolic resin
 [List of Pre Grant Publications for class 503 subclass 217][List of Patents for class 503 subclass 217]217 Subclass 217 indent level is 2 And identified color-former
[List of Pre Grant Publications for class 503 subclass 218][List of Patents for class 503 subclass 218]218 Subclass 218 indent level is 1 Identified color-former
 [List of Pre Grant Publications for class 503 subclass 219][List of Patents for class 503 subclass 219]219 Subclass 219 indent level is 2 And identified inorganic electron acceptor (developer), other than mere clay
[List of Pre Grant Publications for class 503 subclass 220][List of Patents for class 503 subclass 220]220 Subclass 220 indent level is 2 Furanone moiety-containing
 [List of Pre Grant Publications for class 503 subclass 223][List of Patents for class 503 subclass 223]223 Subclass 223 indent level is 2 Azole moiety-containing
 [List of Pre Grant Publications for class 503 subclass 224][List of Patents for class 503 subclass 224]224 Subclass 224 indent level is 2 Polyphenylmethane moiety-containing
 [List of Pre Grant Publications for class 503 subclass 225][List of Patents for class 503 subclass 225]225 Subclass 225 indent level is 1 Identified electron acceptor (developer)
 [List of Pre Grant Publications for class 503 subclass 226][List of Patents for class 503 subclass 226]226 Subclass 226 indent level is 1 Spatial relationship specified between color-former and developer
 [List of Pre Grant Publications for class 503 subclass 227][List of Patents for class 503 subclass 227]227 HAVING PLURAL INTERACTIVE LEAVES
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS

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: 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