USPC Class Details

Description: 418 rotary expansible chamber devices / 418 rotary expansible chamber devices/(104) with mechanical sealing

Hierarchy/Derived subclasses

418 / 104-> 105
 -> 106
 -> 107-> 108-> 109
 -> 110
 -> 111
 -> 112-> 113-> 114
   -> 115
   -> 116
   -> 117
   -> 118
   -> 119
   -> 120-> 121
   -> 122-> 123
   -> 124
 -> 125-> 126
  -> 127-> 128
  -> 129
 -> 130
 -> 131-> 132
  -> 133
  -> 134
  -> 135
 -> 136-> 137-> 138
 -> 139
 -> 140-> 141
  -> 142-> 143
  -> 144
 -> 145-> 146
  -> 147-> 148
 -> 149

uspto searches

Patent Apps in 418/104

Granted Patents in 418/104

Use the links above or do an advanced search in ppubs for:
(418/104.ccls. or 418/105.ccls. or 418/106.ccls. or 418/107.ccls. or 418/108.ccls. or 418/109.ccls. or 418/110.ccls. or 418/111.ccls. or 418/112.ccls. or 418/113.ccls. or 418/114.ccls. or 418/115.ccls. or 418/116.ccls. or 418/117.ccls. or 418/118.ccls. or 418/119.ccls. or 418/120.ccls. or 418/121.ccls. or 418/122.ccls. or 418/123.ccls. or 418/124.ccls. or 418/125.ccls. or 418/126.ccls. or 418/127.ccls. or 418/128.ccls. or 418/129.ccls. or 418/130.ccls. or 418/131.ccls. or 418/132.ccls. or 418/133.ccls. or 418/134.ccls. or 418/135.ccls. or 418/136.ccls. or 418/137.ccls. or 418/138.ccls. or 418/139.ccls. or 418/140.ccls. or 418/141.ccls. or 418/142.ccls. or 418/143.ccls. or 418/144.ccls. or 418/145.ccls. or 418/146.ccls. or 418/147.ccls. or 418/148.ccls. or 418/149.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