|Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP|
|You are viewing a US to Locarno Concordance.|
|See notes regarding proper use of US-to-Locarno Concordances.|
|U.S. Subclass||Locarno Class - Subclass||Notes|
|1 - 6||05 - 05|
|7 - 10||05 - 04|
|11 - 13||05 - 02|
|14 - 18||05 - 03|
|19||05 - 02|
|20 - 22||05 - 03|
|23 - 24||05 - 02|
|25 - 36||05 - 03|
|37||06 - 04|
|38 - 47||05 - 03|
|48||05 - 02|
|49 - 51||05 - 03|
|52||06 - 11|
|53 - 62||05 - 03|
|63 - 66||05 - 04|
|99||05 - 99|
This data is current as of April/2017
Regarding US-to-Locarno Concordances [Concordances between US Patent Classification and the Locarno Agreement]: The USPC does not precisely concord to the Locarno. Users of this Concordance must look at the Locarno schedules to select an appropriate classification for the concept being classified.
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