Canadian Subclass Details

Description: 212 / (23) Hoisting Point Fixed On Jib Or Boom (24) Jib or Boom Pivoted in Vertical Plane (25) Horizontally Swinging Jib or Boom (28) Extensible Jib or Boom (See 214/20) (28.2) Boom Structure (Sub. 40) (28.4) Wear Pads and Slides

Hierarchy/Derived subclasses

212 / 23

-> 24

-> 25

-> 28

-> 28.2

-> 28.4

CIPO search

search just 212/28.4

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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