| Patents > Guidance, Tools, and Manuals > Classification > US to Locarno Concordance |
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| You are viewing a US to Locarno Concordance. |
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| See notes regarding proper use of US-to-Locarno Concordances. | ||
| U.S. Subclass | Locarno Class - Subclass | Notes |
| 100 - 101 | 27 - 01 | |
| 102 - 138 | 27 - 03 | |
| 139 - 161 | 27 - 05 | |
| 162 - 171 | 27 - 02 | |
| 172 - 193 | 27 - 06 | |
| 194 - 196 | 27 - 99 | |
This data is current as of October/2008
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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