Hierarchy/Derived subclasses
| 800 / 295 | -> 296 | ||
| -> 297 | |||
| -> 298 | -> 299 | ||
| -> 300 | -> 300.1 | ||
| -> 301 | |||
| -> 302 | |||
| -> 303 | |||
| -> 304 | |||
| -> 305 | |||
| -> 306 | |||
| -> 307 | |||
| -> 308 | |||
| -> 309 | |||
| -> 310 | |||
| -> 311 | |||
| -> 312 | |||
| -> 313 | |||
| -> 314 | |||
| -> 315 | |||
| -> 316 | |||
| -> 317 | -> 317.1 | ||
| -> 317.2 | |||
| -> 317.3 | |||
| -> 317.4 | |||
| -> 318 | |||
| -> 319 | |||
| -> 320 | -> 320.1 | ||
| -> 320.2 | |||
| -> 320.3 | |||
| -> 321 | |||
| -> 322 | |||
| -> 323 | -> 323.1 | ||
| -> 323.2 | |||
| -> 323.3 |
uspto searches
Patent Apps in 800/295Granted Patents in 800/295
Use the links above or do an advanced search in ppubs for:
(800/295.ccls. or 800/296.ccls. or 800/297.ccls. or 800/298.ccls. or 800/299.ccls. or 800/300.ccls. or 800/300.1.ccls. or 800/301.ccls. or 800/302.ccls. or 800/303.ccls. or 800/304.ccls. or 800/305.ccls. or 800/306.ccls. or 800/307.ccls. or 800/308.ccls. or 800/309.ccls. or 800/310.ccls. or 800/311.ccls. or 800/312.ccls. or 800/313.ccls. or 800/314.ccls. or 800/315.ccls. or 800/316.ccls. or 800/317.ccls. or 800/317.1.ccls. or 800/317.2.ccls. or 800/317.3.ccls. or 800/317.4.ccls. or 800/318.ccls. or 800/319.ccls. or 800/320.ccls. or 800/320.1.ccls. or 800/320.2.ccls. or 800/320.3.ccls. or 800/321.ccls. or 800/322.ccls. or 800/323.ccls. or 800/323.1.ccls. or 800/323.2.ccls. or 800/323.3.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.