USPC Class Details

Description: 347 incremental printing of symbolic information / 347 incremental printing of symbolic information/(171) thermal marking apparatus or processes

Hierarchy/Derived subclasses

347 / 171-> 172-> 173
  -> 174-> 175
   -> 176-> 177-> 178
 -> 179
 -> 180-> 181
  -> 182
 -> 183-> 184
 -> 185-> 186
  -> 187
 -> 188-> 189
  -> 190
  -> 191
  -> 192
  -> 193
  -> 194
  -> 195-> 196
 -> 197-> 198
 -> 199
 -> 200-> 201
  -> 202
  -> 203
  -> 204
  -> 205
  -> 206
  -> 207
  -> 208-> 209-> 210
 -> 211
 -> 212
 -> 213
 -> 214
 -> 215-> 216
 -> 217
 -> 218-> 219
 -> 220
 -> 221
 -> 222
 -> 223

uspto searches

Patent Apps in 347/171

Granted Patents in 347/171

Use the links above or do an advanced search in ppubs for:
(347/171.ccls. or 347/172.ccls. or 347/173.ccls. or 347/174.ccls. or 347/175.ccls. or 347/176.ccls. or 347/177.ccls. or 347/178.ccls. or 347/179.ccls. or 347/180.ccls. or 347/181.ccls. or 347/182.ccls. or 347/183.ccls. or 347/184.ccls. or 347/185.ccls. or 347/186.ccls. or 347/187.ccls. or 347/188.ccls. or 347/189.ccls. or 347/190.ccls. or 347/191.ccls. or 347/192.ccls. or 347/193.ccls. or 347/194.ccls. or 347/195.ccls. or 347/196.ccls. or 347/197.ccls. or 347/198.ccls. or 347/199.ccls. or 347/200.ccls. or 347/201.ccls. or 347/202.ccls. or 347/203.ccls. or 347/204.ccls. or 347/205.ccls. or 347/206.ccls. or 347/207.ccls. or 347/208.ccls. or 347/209.ccls. or 347/210.ccls. or 347/211.ccls. or 347/212.ccls. or 347/213.ccls. or 347/214.ccls. or 347/215.ccls. or 347/216.ccls. or 347/217.ccls. or 347/218.ccls. or 347/219.ccls. or 347/220.ccls. or 347/221.ccls. or 347/222.ccls. or 347/223.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.
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