Hierarchy/Derived subclasses
| 380 / 200 | -> 201 | -> 202 | |
| -> 203 | |||
| -> 204 | |||
| -> 205 | -> 206 | ||
| -> 207 | |||
| -> 208 | |||
| -> 209 | |||
| -> 210 | -> 211 | ||
| -> 212 | |||
| -> 213 | |||
| -> 214 | -> 215 | ||
| -> 216 | -> 217 | ||
| -> 218 | |||
| -> 219 | |||
| -> 220 | |||
| -> 221 | -> 222 | ||
| -> 223 | |||
| -> 224 | |||
| -> 225 | |||
| -> 226 | |||
| -> 227 | -> 228 | ||
| -> 229 | |||
| -> 230 | |||
| -> 231 | -> 232 | ||
| -> 233 | |||
| -> 234 | |||
| -> 235 | |||
| -> 236 | -> 237 | ||
| -> 238 | |||
| -> 239 | |||
| -> 240 | -> 241 | ||
| -> 242 |
uspto searches
Patent Apps in 380/200Granted Patents in 380/200
Use the links above or do an advanced search in ppubs for:
(380/200.ccls. or 380/201.ccls. or 380/202.ccls. or 380/203.ccls. or 380/204.ccls. or 380/205.ccls. or 380/206.ccls. or 380/207.ccls. or 380/208.ccls. or 380/209.ccls. or 380/210.ccls. or 380/211.ccls. or 380/212.ccls. or 380/213.ccls. or 380/214.ccls. or 380/215.ccls. or 380/216.ccls. or 380/217.ccls. or 380/218.ccls. or 380/219.ccls. or 380/220.ccls. or 380/221.ccls. or 380/222.ccls. or 380/223.ccls. or 380/224.ccls. or 380/225.ccls. or 380/226.ccls. or 380/227.ccls. or 380/228.ccls. or 380/229.ccls. or 380/230.ccls. or 380/231.ccls. or 380/232.ccls. or 380/233.ccls. or 380/234.ccls. or 380/235.ccls. or 380/236.ccls. or 380/237.ccls. or 380/238.ccls. or 380/239.ccls. or 380/240.ccls. or 380/241.ccls. or 380/242.ccls.)
At about 35 search terms the uspto will give you this error "Too many search terms" The 35th term is bold.
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.