Hierarchy/Derived subclasses
| 194 / 302 | -> 303 | -> 304 | -> 305 | ||
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| -> 307 | -> 308 | -> 309 | |||
| -> 310 | -> 311 | ||||
| -> 312 | -> 313 | -> 314 | |||
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| -> 317 | -> 318 | ||||
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| -> 320 | -> 321 | -> 322 | |||
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| -> 327 |
uspto searches
Patent Apps in 194/303Granted Patents in 194/303
Use the links above or do an advanced search in ppubs for:
(194/303.ccls. or 194/304.ccls. or 194/305.ccls. or 194/306.ccls. or 194/307.ccls. or 194/308.ccls. or 194/309.ccls. or 194/310.ccls. or 194/311.ccls. or 194/312.ccls. or 194/313.ccls. or 194/314.ccls. or 194/315.ccls. or 194/316.ccls. or 194/317.ccls. or 194/318.ccls. or 194/319.ccls. or 194/320.ccls. or 194/321.ccls. or 194/322.ccls. or 194/323.ccls. or 194/324.ccls. or 194/325.ccls. or 194/326.ccls. or 194/327.ccls.)
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.