Description: 240 / (143) Light Modifying, Directing Or Source Protecting (147) With Reflector (155) Varied Configuration or Multiple

Hierarchy/Derived subclasses

240 / 143	-> 147	-> 155	-> 156
			-> 157
			-> 158

CIPO searches

search just 240/155

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((240/155 <IN> CPC) <OR> (240/156 <IN> CPC) <OR> (240/157 <IN> CPC) <OR> (240/158 <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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