Canadian Subclass Details

Description: 361 / (1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore (17) Phosphate (18) Plural Different Flotations

Hierarchy/Derived subclasses

361 / 1

-> 2

-> 15

-> 17

-> 18

CIPO search

search just 361/18

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.