Canadian Subclass Details

Description: 25 / (98) Processes (123) Inorganic Fused Materials (130) Shaping Article or Treatment of Shaped Article (135) Specific Articles (136) Bricks, Slabs, or Tiles (137) For Furnaces (138) With Metal Encasement or Insert

Hierarchy/Derived subclasses

25 / 98

-> 123

-> 130

-> 135

-> 136

-> 137

-> 138

CIPO search

search just 25/138

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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