|Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP|
|You are viewing a USPC-to-IPC Reverse Concordance Subclass.|USPC-to-IPC Reverse Concordance for
IPC Subclass - G09D
Railway Or Like Time Or Fare Tables;Perpetual Calendars
|IPC Group||U.S. Class||U.S. Subclass|
|3 / 00||40||107|
|3 / 02||40||122|
|3 / 04||40||119 - 121|
|3 / 06||40||111 - 112|
|3 / 08||40||113|
|3 / 10||40||109|
|40||116 - 118|
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 April/2012