| Patents > Guidance, Tools, and Manuals > Classification > US to IPC Concordance |
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| Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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| You are viewing a US to IPC Concordance. |
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| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 | B 44 D | 3 / 00 |
| 1.51 - 1.52 | A 47 L | 13 / 40 |
| 1.7 | E 04 H | 4 / 16 |
| 3 | A 47 L | 3 / 00 |
| 3 | A 47 L | 11 / 00 |
| 3 | A 47 L | 23 / 00 |
| 3 | B 08 B | 7 / 00 |
| 3 | D 06 F | 15 / 00 |
| 3 | D 06 F | 37 / 00 |
| 3 | D 06 F | 39 / 00 |
| 3.1 - 3.21 | A 01 K | 43 / 00 |
| 3.1 - 3.21 | A 23 N | 12 / 00 |
| 3.5 - 3.52 | B 08 B | 9 / 00 |
| 3.5 - 3.52 | B 08 B | 9 / 20 |
| 3.53 | B 43 L | 19 / 00 |
| 4 - 21.2 | A 46 B | 13 / 00 |
| 4 - 21.2 | A 47 L | 11 / 00 |
| 4 - 21.2 | A 63 B | 47 / 04 |
| 4 - 21.2 | A 63 D | 5 / 10 |
| 4 - 21.2 | B 60 S | 3 / 00 |
| 22.1 - 22.4 | A 46 B | 13 / 00 |
| 22.1 - 22.4 | A 47 L | 11 / 00 |
| 23 - 29 | A 46 B | 13 / 00 |
| 23 - 29 | A 47 L | 11 / 00 |
| 23 - 29 | A 47 L | 21 / 02 |
| 23 - 29 | A 47 L | 23 / 02 |
| 30 - 37 | A 47 L | 23 / 02 |
| 30 - 37 | A 47 L | 23 / 06 |
| 38 | A 46 B | 17 / 06 |
| 39 | A 45 D | 24 / 40 |
| 39.5 | A 46 B | 3 / 00 |
| 39.5 | A 46 B | 5 / 00 |
| 39.5 | A 46 B | 7 / 00 |
| 39.5 | A 46 B | 9 / 00 |
| 39.5 | A 46 B | 11 / 00 |
| 39.5 | A 47 L | 11 / 00 |
| 39.5 | A 47 L | 13 / 00 |
| 40 | A 47 L | 11 / 00 |
| 40 | D 06 G | 1 / 00 |
| 41.1 - 48.2 | A 47 L | 11 / 32 |
| 41.1 - 48.2 | D 06 G | 1 / 00 |
| 49.1 - 50.3 | A 47 L | 11 / 00 |
| 51 - 52 | A 47 L | 11 / 00 |
| 51 - 52 | A 47 L | 13 / 00 |
| 52.1 - 52.2 | A 47 L | 13 / 00 |
| 53.1 - 53.4 | B 60 S | 3 / 00 |
| 54 - 55 | B 61 F | 19 / 00 |
| 54 - 55 | E 01 H | 8 / 00 |
| 56 | A 47 L | 15 / 00 |
| 56 | B 08 B | 9 / 20 |
| 57 - 58 | B 08 B | 9 / 20 |
| 57 - 58 | B 08 B | 9 / 46 |
| 59 - 76 | A 47 L | 15 / 00 |
| 59 - 76 | B 08 B | 9 / 20 |
| 77 | A 47 L | 15 / 00 |
| 77 | A 47 L | 25 / 00 |
| 78 - 87 | E 01 H | 1 / 02 |
| 78 - 87 | E 01 H | 1 / 04 |
| 88 - 88.4 | A 47 L | 15 / 00 |
| 88 - 88.4 | A 47 L | 25 / 00 |
| 89 - 92 | A 47 L | 11 / 36 |
| 93.1 - 93.4 | A 01 K | 31 / 04 |
| 93.1 - 93.4 | B 08 B | 9 / 38 |
| 93.1 - 93.4 | B 23 D | 79 / 02 |
| 93.1 - 93.4 | C 10 B | 43 / 04 |
| 94 | A 47 L | 13 / 502 |
| 94 | F 28 G | 7 / 00 |
| 95 - 96 | B 08 B | 9 / 20 |
| 97.1 | A 47 L | 1 / 02 |
| 97.1 | A 47 L | 11 / 02 |
| 97.1 | G 03 D | 5 / 06 |
| 97.1 | G 11 B | 23 / 50 |
| 97.2 | A 47 L | 1 / 02 |
| 97.2 | A 47 L | 11 / 02 |
| 97.2 | A 47 L | 23 / 02 |
| 97.2 | G 03 D | 5 / 06 |
| 97.3 | A 47 L | 1 / 02 |
| 97.3 | A 47 L | 11 / 02 |
| 97.3 | B 60 S | 3 / 06 |
| 97.3 | G 03 D | 5 / 06 |
| 98 | A 47 L | 1 / 02 |
| 98 | A 47 L | 11 / 02 |
| 98 | A 47 L | 11 / 162 |
| 98 | G 03 D | 5 / 06 |
| 99 | A 47 L | 1 / 02 |
| 99 | A 47 L | 11 / 02 |
| 99 | A 47 L | 11 / 29 |
| 99 | G 03 D | 5 / 06 |
| 100 | A 47 L | 1 / 02 |
| 100 | A 47 L | 11 / 02 |
| 100 | G 03 D | 5 / 06 |
| 100 | G 03 D | 15 / 00 |
| 101 | A 47 L | 1 / 02 |
| 101 | A 47 L | 11 / 02 |
| 101 | A 47 L | 15 / 00 |
| 101 | G 03 D | 5 / 06 |
| 102 | A 47 L | 1 / 02 |
| 102 | A 47 L | 11 / 02 |
| 102 | G 03 D | 5 / 06 |
| 102 | H 01 L | 21 / 00 |
| 103 | A 47 L | 1 / 02 |
| 103 | A 47 L | 11 / 02 |
| 103 | G 03 D | 5 / 06 |
| 103.5 | A 47 L | 1 / 02 |
| 103.5 | A 47 L | 11 / 02 |
| 103.5 | E 01 C | 23 / 20 |
| 103.5 | G 03 D | 5 / 06 |
| 104.001 | A 47 L | 13 / 00 |
| 104.002 | A 47 L | 25 / 00 |
| 104.011 | H 01 T | 21 / 04 |
| 104.012 | F 02 B | 77 / 04 |
| 104.02 | F 23 J | 3 / 00 |
| 104.02 | F 28 G | 1 / 00 |
| 104.03 | B 08 B | 1 / 00 |
| 104.03 | B 08 B | 7 / 00 |
| 104.03 | B 08 B | 9 / 00 |
| 104.04 - 104.05 | B 08 B | 1 / 00 |
| 104.04 - 104.05 | B 08 B | 7 / 00 |
| 104.04 - 104.05 | B 08 B | 9 / 00 |
| 104.04 - 104.05 | F 16 L | 45 / 00 |
| 104.04 - 104.05 | F 16 L | 55 / 00 |
| 104.061 - 104.063 | B 08 B | 1 / 00 |
| 104.061 - 104.063 | B 08 B | 7 / 00 |
| 104.061 - 104.063 | B 08 B | 9 / 04 |
| 104.061 - 104.063 | F 16 L | 45 / 00 |
| 104.061 - 104.063 | F 16 L | 55 / 00 |
| 104.066 - 104.069 | F 23 J | 3 / 00 |
| 104.07 - 104.09 | B 08 B | 1 / 00 |
| 104.07 - 104.09 | B 08 B | 7 / 00 |
| 104.07 - 104.09 | B 08 B | 9 / 00 |
| 104.07 - 104.09 | F 16 L | 45 / 00 |
| 104.07 - 104.09 | F 16 L | 55 / 00 |
| 104.095 - 104.096 | B 08 B | 1 / 00 |
| 104.095 - 104.096 | B 08 B | 7 / 00 |
| 104.095 - 104.096 | B 08 B | 9 / 00 |
| 104.095 - 104.096 | F 16 L | 45 / 00 |
| 104.095 - 104.096 | F 16 L | 55 / 00 |
| 104.095 - 104.096 | F 28 G | 3 / 00 |
| 104.11 - 104.19 | B 08 B | 1 / 00 |
| 104.11 - 104.19 | B 08 B | 7 / 00 |
| 104.11 - 104.19 | B 08 B | 9 / 00 |
| 104.11 - 104.19 | F 16 L | 45 / 00 |
| 104.11 - 104.19 | F 16 L | 55 / 00 |
| 104.2 | F 16 L | 45 / 00 |
| 104.2 | F 16 L | 55 / 00 |
| 104.31 | B 08 B | 1 / 00 |
| 104.31 | B 08 B | 7 / 00 |
| 104.31 | B 08 B | 9 / 02 |
| 104.32 | F 16 L | 45 / 00 |
| 104.32 | F 16 L | 55 / 00 |
| 104.33 | B 08 B | 1 / 00 |
| 104.33 | B 08 B | 7 / 00 |
| 104.33 | B 08 B | 9 / 02 |
| 104.5 - 104.54 | A 45 D | 24 / 44 |
| 104.8 | A 46 B | 17 / 08 |
| 104.8 | A 47 L | 13 / 42 |
| 104.9 | B 08 B | 9 / 08 |
| 104.9 | B 08 B | 9 / 20 |
| 104.92 - 104.94 | B 08 B | 1 / 00 |
| 105 | A 46 B | 15 / 00 |
| 105.5 | E 04 F | 21 / 165 |
| 105.51 | B 25 F | 1 / 00 |
| 105.52 | B 25 F | 1 / 00 |
| 105.52 | B 43 L | 19 / 00 |
| 105.53 | B 26 B | 11 / 00 |
| 106 - 115 | A 47 L | 13 / 00 |
| 106 - 115 | A 47 L | 23 / 04 |
| 106 - 115 | E 04 F | 21 / 16 |
| 116.1 | A 47 L | 13 / 14 |
| 116.1 | A 47 L | 13 / 58 |
| 116.2 | A 47 L | 13 / 00 |
| 117 - 118 | A 47 L | 13 / 00 |
| 117 - 118 | A 47 L | 23 / 04 |
| 117 - 118 | E 04 F | 21 / 16 |
| 119.1 - 120.2 | A 47 L | 13 / 00 |
| 121 | A 47 L | 13 / 00 |
| 121 | A 47 L | 23 / 04 |
| 121 | E 04 F | 21 / 16 |
| 141.1 - 141.2 | A 47 L | 11 / 36 |
| 141.1 - 141.2 | A 47 L | 13 / 36 |
| 142 | A 47 L | 23 / 24 |
| 142 | A 47 L | 25 / 00 |
| 143.1 - 144.4 | A 46 B | 5 / 02 |
| 143.1 - 144.4 | A 47 L | 13 / 00 |
| 143.1 - 144.4 | B 25 G | 1 / 00 |
| 145 | A 46 B | 5 / 00 |
| 145 | A 46 B | 5 / 02 |
| 146 | A 46 B | 5 / 02 |
| 146 | A 46 B | 17 / 02 |
| 147.1 - 154 | A 47 L | 13 / 20 |
| 154.2 | A 47 L | 13 / 20 |
| 154.2 | A 47 L | 13 / 502 |
| 159.1 | A 46 B | 5 / 00 |
| 160 | A 46 B | 9 / 02 |
| 161 | A 47 L | 23 / 22 |
| 164 - 165 | A 46 B | 5 / 00 |
| 166 | A 46 B | 17 / 08 |
| 167.1 - 167.2 | A 46 B | 9 / 04 |
| 167.3 | A 45 D | 29 / 17 |
| 167.3 | A 46 B | 9 / 02 |
| 168 - 170 | A 46 B | 9 / 08 |
| 171 | A 46 B | 3 / 08 |
| 172 | A 46 B | 5 / 00 |
| 173 | A 46 B | 3 / 08 |
| 174 | A 46 B | 3 / 10 |
| 175 | A 46 B | 3 / 08 |
| 176.1 - 176.2 | A 46 B | 7 / 04 |
| 176.3 | A 46 B | 15 / 00 |
| 176.4 - 176.6 | A 46 B | 7 / 04 |
| 177 - 178 | A 46 B | 3 / 08 |
| 179 - 183 | A 46 B | 13 / 00 |
| 184 | A 46 B | 7 / 02 |
| 185 | A 46 B | 5 / 00 |
| 186 | A 46 B | 7 / 00 |
| 187 | A 46 B | 1 / 00 |
| 188 | A 46 B | 9 / 04 |
| 189 | A 46 B | 3 / 18 |
| 190 | A 46 B | 3 / 16 |
| 191.1 | A 46 D | 3 / 00 |
| 192 - 194 | A 46 B | 15 / 00 |
| 195 - 196 | A 46 B | 3 / 16 |
| 197 | A 46 B | 9 / 06 |
| 198 | A 46 B | 13 / 00 |
| 199 | A 46 B | 3 / 16 |
| 200 | A 46 B | 7 / 10 |
| 201 | A 46 B | 7 / 06 |
| 202 | A 46 B | 15 / 00 |
| 203 | A 46 B | 7 / 02 |
| 204 | A 46 B | 3 / 12 |
| 205 | A 46 B | 3 / 18 |
| 205.2 | A 46 B | 11 / 00 |
| 206 - 207 | A 46 B | 3 / 18 |
| 207.2 | A 46 D | 1 / 00 |
| 208 | A 47 K | 7 / 02 |
| 208 | A 47 L | 1 / 06 |
| 208 | A 47 L | 13 / 10 |
| 208 | A 47 L | 17 / 08 |
| 208 | A 47 L | 23 / 04 |
| 208 | A 47 L | 25 / 00 |
| 208 | B 43 L | 21 / 00 |
| 209.1 - 210.1 | A 47 K | 7 / 02 |
| 209.1 - 210.1 | A 47 L | 1 / 06 |
| 209.1 - 210.1 | A 47 L | 13 / 10 |
| 209.1 - 210.1 | A 47 L | 23 / 04 |
| 209.1 - 210.1 | A 47 L | 25 / 00 |
| 209.1 - 210.1 | B 43 L | 21 / 00 |
| 210.5 - 219 | A 47 K | 7 / 02 |
| 210.5 - 219 | A 47 L | 1 / 06 |
| 210.5 - 219 | A 47 L | 13 / 10 |
| 210.5 - 219 | A 47 L | 17 / 08 |
| 210.5 - 219 | A 47 L | 23 / 04 |
| 210.5 - 219 | A 47 L | 25 / 00 |
| 210.5 - 219 | B 43 L | 21 / 00 |
| 220.1 - 220.2 | A 47 L | 1 / 00 |
| 220.3 | A 47 L | 1 / 15 |
| 220.3 | A 47 L | 4 / 00 |
| 220.4 | A 47 L | 25 / 00 |
| 220.4 | F 01 M | 11 / 12 |
| 221 - 228 | A 47 K | 7 / 02 |
| 221 - 228 | A 47 L | 1 / 06 |
| 221 - 228 | A 47 L | 13 / 10 |
| 221 - 228 | A 47 L | 17 / 08 |
| 221 - 228 | A 47 L | 23 / 04 |
| 221 - 228 | A 47 L | 25 / 00 |
| 221 - 228 | B 43 L | 21 / 00 |
| 229.1 | A 47 K | 7 / 02 |
| 229.1 | A 47 L | 1 / 06 |
| 229.1 | A 47 L | 13 / 20 |
| 229.1 | A 47 L | 17 / 00 |
| 229.11 - 229.13 | A 47 L | 13 / 10 |
| 229.11 - 229.13 | A 47 L | 17 / 08 |
| 229.14 | A 45 D | 33 / 34 |
| 229.2 - 229.4 | A 47 K | 7 / 02 |
| 229.2 - 229.4 | A 47 L | 1 / 06 |
| 229.2 - 229.4 | A 47 L | 13 / 20 |
| 229.2 - 229.4 | A 47 L | 17 / 00 |
| 229.5 | A 47 K | 7 / 02 |
| 229.5 | A 47 L | 1 / 06 |
| 229.5 | A 47 L | 13 / 252 |
| 229.5 | A 47 L | 17 / 00 |
| 229.6 - 229.8 | A 47 K | 7 / 02 |
| 229.6 - 229.8 | A 47 L | 1 / 06 |
| 229.6 - 229.8 | A 47 L | 13 / 20 |
| 229.6 - 229.8 | A 47 L | 17 / 00 |
| 229.9 | A 47 K | 7 / 02 |
| 229.9 | A 47 L | 1 / 06 |
| 229.9 | A 47 L | 13 / 252 |
| 229.9 | A 47 L | 17 / 00 |
| 230 | B 05 C | 1 / 00 |
| 230 | B 05 C | 17 / 02 |
| 230 | B 24 D | 13 / 14 |
| 230 | B 44 D | 5 / 00 |
| 230.1 | B 05 C | 1 / 00 |
| 230.1 | B 05 C | 17 / 02 |
| 230.1 | B 24 D | 13 / 18 |
| 230.1 | B 44 D | 5 / 00 |
| 230.11 | B 05 C | 1 / 00 |
| 230.11 | B 05 C | 17 / 02 |
| 230.11 | B 44 D | 5 / 00 |
| 230.12 - 230.13 | B 05 C | 1 / 00 |
| 230.12 - 230.13 | B 05 C | 17 / 02 |
| 230.12 - 230.13 | B 24 D | 13 / 08 |
| 230.12 - 230.13 | B 44 D | 5 / 00 |
| 230.14 | B 05 C | 1 / 00 |
| 230.14 | B 05 C | 17 / 02 |
| 230.14 | B 24 D | 13 / 04 |
| 230.14 | B 44 D | 5 / 00 |
| 230.15 | B 05 C | 1 / 00 |
| 230.15 | B 05 C | 17 / 02 |
| 230.15 | B 24 D | 13 / 08 |
| 230.15 | B 44 D | 5 / 00 |
| 230.16 | B 05 C | 1 / 00 |
| 230.16 | B 05 C | 17 / 02 |
| 230.16 | B 24 D | |