USPC Class Details

Description: 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener / 411 expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener/(190) having structure to restrict rotation of threaded, mating pieces (e.g., nut lock)

Hierarchy/Derived subclasses

411 / 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-> 224-> 225
     -> 226
    -> 227-> 228
    -> 229
    -> 230
    -> 231
    -> 232-> 233
     -> 234-> 235
      -> 236
    -> 237-> 238
    -> 239-> 240
     -> 241
    -> 242
    -> 243
    -> 244-> 245
  -> 246-> 247-> 248-> 249
   -> 250-> 251-> 252
   -> 253
   -> 254-> 255
   -> 256
 -> 257-> 1-> 2-> 3
 -> 258
 -> 259-> 260-> 261
  -> 262
  -> 263
  -> 264
  -> 265-> 266-> 267
    -> 268-> 269
    -> 270
  -> 271
  -> 272-> 273
  -> 274-> 275
  -> 276-> 277-> 278-> 279
    -> 280
    -> 281-> 282
     -> 283-> 284
   -> 285-> 286
    -> 287
    -> 288-> 289
    -> 290-> 291
  -> 292-> 293
  -> 294-> 295
  -> 296-> 297
   -> 298
   -> 299
  -> 300
  -> 301-> 302-> 303
    -> 304
  -> 305-> 306
  -> 307
  -> 308-> 309-> 310-> 311
  -> 312
 -> 313-> 314
 -> 315-> 316-> 317-> 318
  -> 319-> 320
 -> 321-> 322
  -> 323
 -> 324
 -> 325
 -> 326-> 327-> 328
   -> 329
  -> 330-> 331
 -> 332
 -> 333-> 334-> 335-> 336

uspto searches

Patent Apps in 411/190

Granted Patents in 411/190

Use the links above or do an advanced search in ppubs for:
(411/190.ccls. or 411/191.ccls. or 411/192.ccls. or 411/193.ccls. or 411/194.ccls. or 411/195.ccls. or 411/196.ccls. or 411/197.ccls. or 411/198.ccls. or 411/199.ccls. or 411/200.ccls. or 411/201.ccls. or 411/202.ccls. or 411/203.ccls. or 411/204.ccls. or 411/205.ccls. or 411/206.ccls. or 411/207.ccls. or 411/208.ccls. or 411/209.ccls. or 411/210.ccls. or 411/211.ccls. or 411/212.ccls. or 411/213.ccls. or 411/214.ccls. or 411/215.ccls. or 411/216.ccls. or 411/217.ccls. or 411/218.ccls. or 411/219.ccls. or 411/220.ccls. or 411/221.ccls. or 411/222.ccls. or 411/223.ccls. or 411/224.ccls. or 411/225.ccls. or 411/226.ccls. or 411/227.ccls. or 411/228.ccls. or 411/229.ccls. or 411/230.ccls. or 411/231.ccls. or 411/232.ccls. or 411/233.ccls. or 411/234.ccls. or 411/235.ccls. or 411/236.ccls. or 411/237.ccls. or 411/238.ccls. or 411/239.ccls. or 411/240.ccls. or 411/241.ccls. or 411/242.ccls. or 411/243.ccls. or 411/244.ccls. or 411/245.ccls. or 411/246.ccls. or 411/247.ccls. or 411/248.ccls. or 411/249.ccls. or 411/250.ccls. or 411/251.ccls. or 411/252.ccls. or 411/253.ccls. or 411/254.ccls. or 411/255.ccls. or 411/256.ccls. or 411/257.ccls. or 411/1.ccls. or 411/2.ccls. or 411/3.ccls. or 411/258.ccls. or 411/259.ccls. or 411/260.ccls. or 411/261.ccls. or 411/262.ccls. or 411/263.ccls. or 411/264.ccls. or 411/265.ccls. or 411/266.ccls. or 411/267.ccls. or 411/268.ccls. or 411/269.ccls. or 411/270.ccls. or 411/271.ccls. or 411/272.ccls. or 411/273.ccls. or 411/274.ccls. or 411/275.ccls. or 411/276.ccls. or 411/277.ccls. or 411/278.ccls. or 411/279.ccls. or 411/280.ccls. or 411/281.ccls. or 411/282.ccls. or 411/283.ccls. or 411/284.ccls. or 411/285.ccls. or 411/286.ccls. or 411/287.ccls. or 411/288.ccls. or 411/289.ccls. or 411/290.ccls. or 411/291.ccls. or 411/292.ccls. or 411/293.ccls. or 411/294.ccls. or 411/295.ccls. or 411/296.ccls. or 411/297.ccls. or 411/298.ccls. or 411/299.ccls. or 411/300.ccls. or 411/301.ccls. or 411/302.ccls. or 411/303.ccls. or 411/304.ccls. or 411/305.ccls. or 411/306.ccls. or 411/307.ccls. or 411/308.ccls. or 411/309.ccls. or 411/310.ccls. or 411/311.ccls. or 411/312.ccls. or 411/313.ccls. or 411/314.ccls. or 411/315.ccls. or 411/316.ccls. or 411/317.ccls. or 411/318.ccls. or 411/319.ccls. or 411/320.ccls. or 411/321.ccls. or 411/322.ccls. or 411/323.ccls. or 411/324.ccls. or 411/325.ccls. or 411/326.ccls. or 411/327.ccls. or 411/328.ccls. or 411/329.ccls. or 411/330.ccls. or 411/331.ccls. or 411/332.ccls. or 411/333.ccls. or 411/334.ccls. or 411/335.ccls. or 411/336.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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