|Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP|
|You are viewing a US to IPC Concordance.|
See notes regarding proper use of US-to-IPC Concordances.
|U.S. Subclass||IPC8 Subclass||IPC8 Group|
|2||B 26 B||19 / 32|
|3||F 03 G||5 / 00|
|4 - 7||F 03 G||3 / 00|
|9 - 14||F 03 G||1 / 00|
|15 - 25||F 03 G||5 / 00|
|27 - 36||F 03 G||3 / 00|
|37 - 45||F 03 G||1 / 00|
Regarding US-to-IPC Concordances [Concordances between US Patent Classification and the International Patent Classification Eighth Edition]: The USPC does not precisely concord to the IPC. Users of this Concordance must look at the IPC schedules to select an appropriate classification for the concept being classified.
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 firstname.lastname@example.org .
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 email@example.com. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website.
This data is current as of June/2011