USPC Class Details

Description: 48 gas: heating and illuminating / 48 gas: heating and illuminating/(61) generators

Hierarchy/Derived subclasses

48 / 61-> 116-> 117
  -> 118
 -> 62r-> 71
  -> 72
  -> 73
  -> 76
  -> 77
  -> 78-> 79-> 80
    -> 81
   -> 84
   -> 82-> 83
  -> 85
  -> 75
  -> 63-> 64
  -> 65
  -> 66
  -> 67-> 68
  -> 69
  -> 74
  -> 85.1
  -> 85.2
  -> 86r-> 86a
  -> 87
  -> 62a
 -> 89-> 98
  -> 99
  -> 100
  -> 101
  -> 102r-> 103
   -> 104
   -> 105
   -> 106
   -> 107
   -> 102a
  -> 108-> 109
   -> 110
  -> 111-> 112
  -> 92
  -> 93
  -> 94-> 95
   -> 96
  -> 90
  -> 113
 -> 118.5

uspto searches

Patent Apps in 48/61

Granted Patents in 48/61

Use the links above or do an advanced search in ppubs for:
(48/61.ccls. or 48/116.ccls. or 48/117.ccls. or 48/118.ccls. or 48/62r.ccls. or 48/71.ccls. or 48/72.ccls. or 48/73.ccls. or 48/76.ccls. or 48/77.ccls. or 48/78.ccls. or 48/79.ccls. or 48/80.ccls. or 48/81.ccls. or 48/84.ccls. or 48/82.ccls. or 48/83.ccls. or 48/85.ccls. or 48/75.ccls. or 48/63.ccls. or 48/64.ccls. or 48/65.ccls. or 48/66.ccls. or 48/67.ccls. or 48/68.ccls. or 48/69.ccls. or 48/74.ccls. or 48/85.1.ccls. or 48/85.2.ccls. or 48/86r.ccls. or 48/86a.ccls. or 48/87.ccls. or 48/62a.ccls. or 48/89.ccls. or 48/98.ccls. or 48/99.ccls. or 48/100.ccls. or 48/101.ccls. or 48/102r.ccls. or 48/103.ccls. or 48/104.ccls. or 48/105.ccls. or 48/106.ccls. or 48/107.ccls. or 48/102a.ccls. or 48/108.ccls. or 48/109.ccls. or 48/110.ccls. or 48/111.ccls. or 48/112.ccls. or 48/92.ccls. or 48/93.ccls. or 48/94.ccls. or 48/95.ccls. or 48/96.ccls. or 48/90.ccls. or 48/113.ccls. or 48/118.5.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.
Display:

Back