Description: 238 / (58) Rail Joints (76) Chair (77) Twin

Hierarchy/Derived subclasses

238 / 58	-> 76	-> 77	-> 78
			-> 79

CIPO searches

search just 238/77

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((238/77 <IN> CPC) <OR> (238/78 <IN> CPC) <OR> (238/79 <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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