Canadian Subclass Details

Description: 183 / (72) Filtration (93) Cylindrical With Radial Flow (e.g., Cartridges)

Hierarchy/Derived subclasses

183 / 72-> 93-> 94
  -> 95
  -> 96
  -> 97
  -> 98

CIPO searches

search just 183/93

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((183/93 <IN> CPC) <OR> (183/94 <IN> CPC) <OR> (183/95 <IN> CPC) <OR> (183/96 <IN> CPC) <OR> (183/97 <IN> CPC) <OR> (183/98 <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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