Description: 321 / (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter)

Hierarchy/Derived subclasses

321 / 12-> 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

CIPO searches

search just 321/65

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((321/65 <IN> CPC) <OR> (321/66 <IN> CPC) <OR> (321/67 <IN> CPC) <OR> (321/68 <IN> CPC) <OR> (321/69 <IN> CPC) <OR> (321/70 <IN> CPC) <OR> (321/71 <IN> CPC) <OR> (321/72 <IN> CPC) <OR> (321/73 <IN> CPC) <OR> (321/74 <IN> CPC) <OR> (321/75 <IN> CPC) <OR> (321/76 <IN> CPC) <OR> (321/77 <IN> CPC) <OR> (321/78 <IN> CPC) <OR> (321/79 <IN> CPC) <OR> (321/80 <IN> CPC) <OR> (321/81 <IN> CPC) <OR> (321/82 <IN> CPC) <OR> (321/83 <IN> CPC) <OR> (321/84 <IN> CPC) <OR> (321/85 <IN> CPC) <OR> (321/86 <IN> CPC) <OR> (321/87 <IN> CPC) <OR> (321/88 <IN> CPC) <OR> (321/89 <IN> CPC) <OR> (321/90 <IN> CPC) <OR> (321/91 <IN> CPC) <OR> (321/92 <IN> CPC) <OR> (321/93 <IN> CPC) <OR> (321/94 <IN> CPC) <OR> (321/95 <IN> CPC) <OR> (321/96 <IN> CPC) <OR> (321/97 <IN> CPC) <OR> (321/98 <IN> CPC) <OR> (321/99 <IN> CPC) <OR> (321/100 <IN> CPC) <OR> (321/101 <IN> CPC) <OR> (321/102 <IN> CPC) <OR> (321/103 <IN> CPC) <OR> (321/104 <IN> CPC) <OR> (321/105 <IN> CPC) <OR> (321/106 <IN> CPC) <OR> (321/107 <IN> CPC) <OR> (321/108 <IN> CPC) <OR> (321/109 <IN> CPC) <OR> (321/110 <IN> CPC) <OR> (321/111 <IN> CPC) <OR> (321/112 <IN> CPC) <OR> (321/113 <IN> CPC) <OR> (321/114 <IN> CPC) <OR> (321/115 <IN> CPC) <OR> (321/116 <IN> CPC) <OR> (321/117 <IN> CPC) <OR> (321/118 <IN> CPC))

This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.
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