Description: 164 / (34) Cutting Apparatus (72) With Work Supporting, Positioning or Aligning (74) Guiding Devices
Hierarchy/Derived subclasses
CIPO searches
search just 164/74- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((164/74 <IN> CPC) <OR> (164/75 <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.