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 68/3rGranted 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.