USPC Class Details

Description: 68 textiles: fluid treating apparatus / 68 textiles: fluid treating apparatus/(3r) machines

Hierarchy/Derived subclasses

68 / 3r-> 4
 -> 5r-> 6-> 7
  -> 8
  -> 5a
  -> 5b
  -> 5c
  -> 5d
  -> 5e
 -> 9-> 10
 -> 11
 -> 12.01-> 12.02-> 12.03
   -> 12.04
   -> 12.05
   -> 12.06
  -> 12.07
  -> 12.08-> 12.09
  -> 12.11
  -> 12.12
  -> 12.13
  -> 12.14-> 12.15
  -> 12.16-> 12.17
  -> 12.18
  -> 12.19-> 12.21-> 12.22
  -> 12.23
  -> 12.24-> 12.25
  -> 12.26
  -> 12.27
 -> 13r-> 14
  -> 15-> 16
  -> 17r-> 17a
  -> 18r-> 18c
   -> 18d
   -> 18f-> 18fa
  -> 19-> 19.1-> 19.2
   -> 20
   -> 21-> 22r-> 22a
     -> 22b
   -> 23r-> 23.1-> 23.2
     -> 23.3
    -> 23.4
    -> 23.5
    -> 23.6-> 23.7
    -> 24
    -> 25
    -> 26
    -> 23a
  -> 13a
 -> 27
 -> 28-> 29
  -> 30
  -> 31-> 32
   -> 33-> 34
   -> 35-> 36
    -> 37
  -> 38-> 39-> 40
   -> 41
   -> 42
  -> 43-> 44-> 45
   -> 46
   -> 47
   -> 48-> 49
    -> 50
   -> 51
  -> 52
  -> 53
  -> 54
  -> 55
  -> 56-> 57
  -> 58-> 59
  -> 60
  -> 61
  -> 62
 -> 63-> 64-> 65
   -> 66-> 67-> 68
     -> 69
    -> 70-> 71
    -> 72-> 73
   -> 74-> 75-> 76
     -> 77-> 78
    -> 79-> 80
    -> 81
   -> 82-> 83
  -> 84-> 85
   -> 86-> 87
    -> 88
   -> 89
   -> 90
  -> 91
  -> 92
  -> 93
 -> 94-> 95
  -> 96
  -> 97-> 98
   -> 99
   -> 100-> 101
   -> 102-> 103-> 104
   -> 105
   -> 106-> 107
  -> 108-> 109
  -> 110-> 111
   -> 112
  -> 113-> 114
   -> 115-> 116
   -> 117-> 118
    -> 119
   -> 120-> 121
    -> 122-> 123
     -> 124
  -> 125-> 126
  -> 128
  -> 129-> 130
 -> 131-> 132-> 133
  -> 134
 -> 135-> 136-> 137
  -> 138
 -> 139-> 140
  -> 141
  -> 142-> 143
  -> 144-> 145
   -> 146
 -> 147-> 148-> 149
   -> 150
   -> 151
  -> 152-> 153-> 154
   -> 155-> 156
  -> 157-> 158
   -> 159-> 160-> 161
    -> 162-> 163-> 164
    -> 165-> 166
    -> 167-> 168-> 169
   -> 170
  -> 171-> 172-> 173-> 174
  -> 175-> 176
   -> 177-> 178
   -> 179
   -> 180
   -> 181r-> 182
    -> 181d
   -> 183
   -> 184-> 185-> 186
    -> 187
    -> 188
    -> 189
    -> 190
    -> 191-> 192
     -> 193
   -> 194
   -> 195
   -> 196
   -> 197
   -> 198
   -> 199
 -> 200-> 201
  -> 202-> 203
  -> 204
  -> 205r-> 206

uspto searches

Patent Apps in 68/3r

Granted Patents in 68/3r

Use the links above or do an advanced search in ppubs for:
(68/3r.ccls. or 68/4.ccls. or 68/5r.ccls. or 68/6.ccls. or 68/7.ccls. or 68/8.ccls. or 68/5a.ccls. or 68/5b.ccls. or 68/5c.ccls. or 68/5d.ccls. or 68/5e.ccls. or 68/9.ccls. or 68/10.ccls. or 68/11.ccls. or 68/12.01.ccls. or 68/12.02.ccls. or 68/12.03.ccls. or 68/12.04.ccls. or 68/12.05.ccls. or 68/12.06.ccls. or 68/12.07.ccls. or 68/12.08.ccls. or 68/12.09.ccls. or 68/12.11.ccls. or 68/12.12.ccls. or 68/12.13.ccls. or 68/12.14.ccls. or 68/12.15.ccls. or 68/12.16.ccls. or 68/12.17.ccls. or 68/12.18.ccls. or 68/12.19.ccls. or 68/12.21.ccls. or 68/12.22.ccls. or 68/12.23.ccls. or 68/12.24.ccls. or 68/12.25.ccls. or 68/12.26.ccls. or 68/12.27.ccls. or 68/13r.ccls. or 68/14.ccls. or 68/15.ccls. or 68/16.ccls. or 68/17r.ccls. or 68/17a.ccls. or 68/18r.ccls. or 68/18c.ccls. or 68/18d.ccls. or 68/18f.ccls. or 68/18fa.ccls. or 68/19.ccls. or 68/19.1.ccls. or 68/19.2.ccls. or 68/20.ccls. or 68/21.ccls. or 68/22r.ccls. or 68/22a.ccls. or 68/22b.ccls. or 68/23r.ccls. or 68/23.1.ccls. or 68/23.2.ccls. or 68/23.3.ccls. or 68/23.4.ccls. or 68/23.5.ccls. or 68/23.6.ccls. or 68/23.7.ccls. or 68/24.ccls. or 68/25.ccls. or 68/26.ccls. or 68/23a.ccls. or 68/13a.ccls. or 68/27.ccls. or 68/28.ccls. or 68/29.ccls. or 68/30.ccls. or 68/31.ccls. or 68/32.ccls. or 68/33.ccls. or 68/34.ccls. or 68/35.ccls. or 68/36.ccls. or 68/37.ccls. or 68/38.ccls. or 68/39.ccls. or 68/40.ccls. or 68/41.ccls. or 68/42.ccls. or 68/43.ccls. or 68/44.ccls. or 68/45.ccls. or 68/46.ccls. or 68/47.ccls. or 68/48.ccls. or 68/49.ccls. or 68/50.ccls. or 68/51.ccls. or 68/52.ccls. or 68/53.ccls. or 68/54.ccls. or 68/55.ccls. or 68/56.ccls. or 68/57.ccls. or 68/58.ccls. or 68/59.ccls. or 68/60.ccls. or 68/61.ccls. or 68/62.ccls. or 68/63.ccls. or 68/64.ccls. or 68/65.ccls. or 68/66.ccls. or 68/67.ccls. or 68/68.ccls. or 68/69.ccls. or 68/70.ccls. or 68/71.ccls. or 68/72.ccls. or 68/73.ccls. or 68/74.ccls. or 68/75.ccls. or 68/76.ccls. or 68/77.ccls. or 68/78.ccls. or 68/79.ccls. or 68/80.ccls. or 68/81.ccls. or 68/82.ccls. or 68/83.ccls. or 68/84.ccls. or 68/85.ccls. or 68/86.ccls. or 68/87.ccls. or 68/88.ccls. or 68/89.ccls. or 68/90.ccls. or 68/91.ccls. or 68/92.ccls. or 68/93.ccls. or 68/94.ccls. or 68/95.ccls. or 68/96.ccls. or 68/97.ccls. or 68/98.ccls. or 68/99.ccls. or 68/100.ccls. or 68/101.ccls. or 68/102.ccls. or 68/103.ccls. or 68/104.ccls. or 68/105.ccls. or 68/106.ccls. or 68/107.ccls. or 68/108.ccls. or 68/109.ccls. or 68/110.ccls. or 68/111.ccls. or 68/112.ccls. or 68/113.ccls. or 68/114.ccls. or 68/115.ccls. or 68/116.ccls. or 68/117.ccls. or 68/118.ccls. or 68/119.ccls. or 68/120.ccls. or 68/121.ccls. or 68/122.ccls. or 68/123.ccls. or 68/124.ccls. or 68/125.ccls. or 68/126.ccls. or 68/128.ccls. or 68/129.ccls. or 68/130.ccls. or 68/131.ccls. or 68/132.ccls. or 68/133.ccls. or 68/134.ccls. or 68/135.ccls. or 68/136.ccls. or 68/137.ccls. or 68/138.ccls. or 68/139.ccls. or 68/140.ccls. or 68/141.ccls. or 68/142.ccls. or 68/143.ccls. or 68/144.ccls. or 68/145.ccls. or 68/146.ccls. or 68/147.ccls. or 68/148.ccls. or 68/149.ccls. or 68/150.ccls. or 68/151.ccls. or 68/152.ccls. or 68/153.ccls. or 68/154.ccls. or 68/155.ccls. or 68/156.ccls. or 68/157.ccls. or 68/158.ccls. or 68/159.ccls. or 68/160.ccls. or 68/161.ccls. or 68/162.ccls. or 68/163.ccls. or 68/164.ccls. or 68/165.ccls. or 68/166.ccls. or 68/167.ccls. or 68/168.ccls. or 68/169.ccls. or 68/170.ccls. or 68/171.ccls. or 68/172.ccls. or 68/173.ccls. or 68/174.ccls. or 68/175.ccls. or 68/176.ccls. or 68/177.ccls. or 68/178.ccls. or 68/179.ccls. or 68/180.ccls. or 68/181r.ccls. or 68/182.ccls. or 68/181d.ccls. or 68/183.ccls. or 68/184.ccls. or 68/185.ccls. or 68/186.ccls. or 68/187.ccls. or 68/188.ccls. or 68/189.ccls. or 68/190.ccls. or 68/191.ccls. or 68/192.ccls. or 68/193.ccls. or 68/194.ccls. or 68/195.ccls. or 68/196.ccls. or 68/197.ccls. or 68/198.ccls. or 68/199.ccls. or 68/200.ccls. or 68/201.ccls. or 68/202.ccls. or 68/203.ccls. or 68/204.ccls. or 68/205r.ccls. or 68/206.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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